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6 added 7 characters in body
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package Humans;

import java.io.File;
import java.io.IOException;
import java.io.UnsupportedEncodingException;
import java.net.JarURLConnection;
import java.net.URL;
import java.net.URLConnection;
import java.net.URLDecoder;
import java.util.ArrayList;
import java.util.Enumeration;
import java.util.jar.JarEntry;
import java.util.jar.JarFile;
import sun.net.www.protocol.file.FileURLConnection;

public class FortuneTeller extends Human {

/**
 * Code from http://stackoverflow.com/a/22462785 Private helper method
 *
 * @param directory The directory to start with
 * @param pckgname The package name to search for. Will be needed for
 * getting the Class object.
 * @param classes if a file isn't loaded but still is in the directory
 * @throws ClassNotFoundException
 */
private static void checkDirectory(File directory, String pckgname,
        ArrayList<Class<?>> classes) throws ClassNotFoundException {
    File tmpDirectory;

    if (directory.exists() && directory.isDirectory()) {
        final String[] files = directory.list();

        for (final String file : files) {
            if (file.endsWith(".class")) {
                try {
                    classes.add(Class.forName(pckgname + '.'
                            + file.substring(0, file.length() - 6)));
                } catch (final NoClassDefFoundError e) {
                // do nothing. this class hasn't been found by the
                    // loader, and we don't care.
                }
            } else if ((tmpDirectory = new File(directory, file))
                    .isDirectory()) {
                checkDirectory(tmpDirectory, pckgname + "." + file, classes);
            }
        }
    }
}

/**
 * Private helper method.
 *
 * @param connection the connection to the jar
 * @param pckgname the package name to search for
 * @param classes the current ArrayList of all classes. This method will
 * simply add new classes.
 * @throws ClassNotFoundException if a file isn't loaded but still is in the
 * jar file
 * @throws IOException if it can't correctly read from the jar file.
 */
private static void checkJarFile(JarURLConnection connection,
        String pckgname, ArrayList<Class<?>> classes)
        throws ClassNotFoundException, IOException {
    final JarFile jarFile = connection.getJarFile();
    final Enumeration<JarEntry> entries = jarFile.entries();
    String name;

    for (JarEntry jarEntry = null; entries.hasMoreElements()
            && ((jarEntry = entries.nextElement()) != null);) {
        name = jarEntry.getName();

        if (name.contains(".class")) {
            name = name.substring(0, name.length() - 6).replace('/', '.');

            if (name.contains(pckgname)) {
                classes.add(Class.forName(name));
            }
        }
    }
}

/**
 * Attempts to list all the classes in the specified package as determined
 * by the context class loader
 *
 * @param pckgname the package name to search
 * @return a list of classes that exist within that package
 * @throws ClassNotFoundException if something went wrong
 */
private static ArrayList<Class<?>> getClassesForPackage(String pckgname)
        throws ClassNotFoundException {
    final ArrayList<Class<?>> classes = new ArrayList<Class<?>>();

    try {
        final ClassLoader cld = Thread.currentThread()
                .getContextClassLoader();

        if (cld == null) {
            throw new ClassNotFoundException("Can't get class loader.");
        }

        final Enumeration<URL> resources = cld.getResources(pckgname
                .replace('.', '/'));
        URLConnection connection;

        for (URL url = null; resources.hasMoreElements()
                && ((url = resources.nextElement()) != null);) {
            try {
                connection = url.openConnection();

                if (connection instanceof JarURLConnection) {
                    checkJarFile((JarURLConnection) connection, pckgname,
                            classes);
                } else if (connection instanceof FileURLConnection) {
                    try {
                        checkDirectory(
                                new File(URLDecoder.decode(url.getPath(),
                                                "UTF-8")), pckgname, classes);
                    } catch (final UnsupportedEncodingException ex) {
                        throw new ClassNotFoundException(
                                pckgname
                                + " does not appear to be a valid package (Unsupported encoding)",
                                ex);
                    }
                } else {
                    throw new ClassNotFoundException(pckgname + " ("
                            + url.getPath()
                            + ") does not appear to be a valid package");
                }
            } catch (final IOException ioex) {
                throw new ClassNotFoundException(
                        "IOException was thrown when trying to get all resources for "
                        + pckgname, ioex);
            }
        }
    } catch (final NullPointerException ex) {
        throw new ClassNotFoundException(
                pckgname
                + " does not appear to be a valid package (Null pointer exception)",
                ex);
    } catch (final IOException ioex) {
        throw new ClassNotFoundException(
                "IOException was thrown when trying to get all resources for "
                + pckgname, ioex);
    }

    return classes;
}

private static boolean isRecursiveCall = false;
private static ArrayList<Class<?>> classes;

static {
    if (classes == null) {
        try {
            classes = getClassesForPackage("Humans");
        } catch (ClassNotFoundException ex) {

        }
    }    
}

private String doThePetyrBaelish() {
    return Math.random() >= 0.5 ? "good" : "evil";
}

@Override
public String takeSides(String history) {
    if (isRecursiveCall) {
        return doThePetyrBaelish();
    }
    isRecursiveCall = true;

    int currentRoundGoodCount = 0;
    float probabilityOfGood = 0;
    int roundCount = 0;
    int voteCount = 0;



    do {
        for (int i = 0; i < classes.size(); i++) {
            try {
                if (classes.get(i).getName() == "Humans.FortuneTeller") {
                    continue;
                }

                Human human = (Human) classes.get(i).newInstance();
                String response = human.takeSides(history);
                switch (response) {
                    case "good":
                        currentRoundGoodCount++;
                        voteCount++;
                        break;
                    case "evil":
                        voteCount++;
                        break;
                    default:
                        break;
                }
            } catch (Exception e) {
            }
        }

        probabilityOfGood = (probabilityOfGood * roundCount
                + (float) currentRoundGoodCount / voteCount) / (roundCount + 1);

        roundCount++;
        currentRoundGoodCount = 0;
        voteCount = 0;

    } while (roundCount < 11);

    isRecursiveCall = false;
    if (probabilityOfGood > .7) {
        return "evil";
    }
    if (probabilityOfGood < .3) {
        return "good";
    }

    return doThePetyrBaelish();
}

}
package Humans;

import java.io.File;
import java.io.IOException;
import java.io.UnsupportedEncodingException;
import java.net.JarURLConnection;
import java.net.URL;
import java.net.URLConnection;
import java.net.URLDecoder;
import java.util.ArrayList;
import java.util.Enumeration;
import java.util.jar.JarEntry;
import java.util.jar.JarFile;
import sun.net.www.protocol.file.FileURLConnection;

public class FortuneTeller extends Human {

/**
 * Code from http://stackoverflow.com/a/22462785 Private helper method
 *
 * @param directory The directory to start with
 * @param pckgname The package name to search for. Will be needed for
 * getting the Class object.
 * @param classes if a file isn't loaded but still is in the directory
 * @throws ClassNotFoundException
 */
private static void checkDirectory(File directory, String pckgname,
        ArrayList<Class<?>> classes) throws ClassNotFoundException {
    File tmpDirectory;

    if (directory.exists() && directory.isDirectory()) {
        final String[] files = directory.list();

        for (final String file : files) {
            if (file.endsWith(".class")) {
                try {
                    classes.add(Class.forName(pckgname + '.'
                            + file.substring(0, file.length() - 6)));
                } catch (final NoClassDefFoundError e) {
                // do nothing. this class hasn't been found by the
                    // loader, and we don't care.
                }
            } else if ((tmpDirectory = new File(directory, file))
                    .isDirectory()) {
                checkDirectory(tmpDirectory, pckgname + "." + file, classes);
            }
        }
    }
}

/**
 * Private helper method.
 *
 * @param connection the connection to the jar
 * @param pckgname the package name to search for
 * @param classes the current ArrayList of all classes. This method will
 * simply add new classes.
 * @throws ClassNotFoundException if a file isn't loaded but still is in the
 * jar file
 * @throws IOException if it can't correctly read from the jar file.
 */
private static void checkJarFile(JarURLConnection connection,
        String pckgname, ArrayList<Class<?>> classes)
        throws ClassNotFoundException, IOException {
    final JarFile jarFile = connection.getJarFile();
    final Enumeration<JarEntry> entries = jarFile.entries();
    String name;

    for (JarEntry jarEntry = null; entries.hasMoreElements()
            && ((jarEntry = entries.nextElement()) != null);) {
        name = jarEntry.getName();

        if (name.contains(".class")) {
            name = name.substring(0, name.length() - 6).replace('/', '.');

            if (name.contains(pckgname)) {
                classes.add(Class.forName(name));
            }
        }
    }
}

/**
 * Attempts to list all the classes in the specified package as determined
 * by the context class loader
 *
 * @param pckgname the package name to search
 * @return a list of classes that exist within that package
 * @throws ClassNotFoundException if something went wrong
 */
private static ArrayList<Class<?>> getClassesForPackage(String pckgname)
        throws ClassNotFoundException {
    final ArrayList<Class<?>> classes = new ArrayList<Class<?>>();

    try {
        final ClassLoader cld = Thread.currentThread()
                .getContextClassLoader();

        if (cld == null) {
            throw new ClassNotFoundException("Can't get class loader.");
        }

        final Enumeration<URL> resources = cld.getResources(pckgname
                .replace('.', '/'));
        URLConnection connection;

        for (URL url = null; resources.hasMoreElements()
                && ((url = resources.nextElement()) != null);) {
            try {
                connection = url.openConnection();

                if (connection instanceof JarURLConnection) {
                    checkJarFile((JarURLConnection) connection, pckgname,
                            classes);
                } else if (connection instanceof FileURLConnection) {
                    try {
                        checkDirectory(
                                new File(URLDecoder.decode(url.getPath(),
                                                "UTF-8")), pckgname, classes);
                    } catch (final UnsupportedEncodingException ex) {
                        throw new ClassNotFoundException(
                                pckgname
                                + " does not appear to be a valid package (Unsupported encoding)",
                                ex);
                    }
                } else {
                    throw new ClassNotFoundException(pckgname + " ("
                            + url.getPath()
                            + ") does not appear to be a valid package");
                }
            } catch (final IOException ioex) {
                throw new ClassNotFoundException(
                        "IOException was thrown when trying to get all resources for "
                        + pckgname, ioex);
            }
        }
    } catch (final NullPointerException ex) {
        throw new ClassNotFoundException(
                pckgname
                + " does not appear to be a valid package (Null pointer exception)",
                ex);
    } catch (final IOException ioex) {
        throw new ClassNotFoundException(
                "IOException was thrown when trying to get all resources for "
                + pckgname, ioex);
    }

    return classes;
}

private static boolean isRecursiveCall = false;
private static ArrayList<Class<?>> classes;

static {
    if (classes == null) {
        try {
            classes = getClassesForPackage("Humans");
        } catch (ClassNotFoundException ex) {

        }
    }    
}

private String doThePetyrBaelish() {
    return Math.random() >= 0.5 ? "good" : "evil";
}

@Override
public String takeSides(String history) {
    if (isRecursiveCall) {
        doThePetyrBaelish();
    }
    isRecursiveCall = true;

    int currentRoundGoodCount = 0;
    float probabilityOfGood = 0;
    int roundCount = 0;
    int voteCount = 0;



    do {
        for (int i = 0; i < classes.size(); i++) {
            try {
                if (classes.get(i).getName() == "Humans.FortuneTeller") {
                    continue;
                }

                Human human = (Human) classes.get(i).newInstance();
                String response = human.takeSides(history);
                switch (response) {
                    case "good":
                        currentRoundGoodCount++;
                        voteCount++;
                        break;
                    case "evil":
                        voteCount++;
                        break;
                    default:
                        break;
                }
            } catch (Exception e) {
            }
        }

        probabilityOfGood = (probabilityOfGood * roundCount
                + (float) currentRoundGoodCount / voteCount) / (roundCount + 1);

        roundCount++;
        currentRoundGoodCount = 0;
        voteCount = 0;

    } while (roundCount < 11);

    isRecursiveCall = false;
    if (probabilityOfGood > .7) {
        return "evil";
    }
    if (probabilityOfGood < .3) {
        return "good";
    }

    return doThePetyrBaelish();
}

}
package Humans;

import java.io.File;
import java.io.IOException;
import java.io.UnsupportedEncodingException;
import java.net.JarURLConnection;
import java.net.URL;
import java.net.URLConnection;
import java.net.URLDecoder;
import java.util.ArrayList;
import java.util.Enumeration;
import java.util.jar.JarEntry;
import java.util.jar.JarFile;
import sun.net.www.protocol.file.FileURLConnection;

public class FortuneTeller extends Human {

/**
 * Code from http://stackoverflow.com/a/22462785 Private helper method
 *
 * @param directory The directory to start with
 * @param pckgname The package name to search for. Will be needed for
 * getting the Class object.
 * @param classes if a file isn't loaded but still is in the directory
 * @throws ClassNotFoundException
 */
private static void checkDirectory(File directory, String pckgname,
        ArrayList<Class<?>> classes) throws ClassNotFoundException {
    File tmpDirectory;

    if (directory.exists() && directory.isDirectory()) {
        final String[] files = directory.list();

        for (final String file : files) {
            if (file.endsWith(".class")) {
                try {
                    classes.add(Class.forName(pckgname + '.'
                            + file.substring(0, file.length() - 6)));
                } catch (final NoClassDefFoundError e) {
                // do nothing. this class hasn't been found by the
                    // loader, and we don't care.
                }
            } else if ((tmpDirectory = new File(directory, file))
                    .isDirectory()) {
                checkDirectory(tmpDirectory, pckgname + "." + file, classes);
            }
        }
    }
}

/**
 * Private helper method.
 *
 * @param connection the connection to the jar
 * @param pckgname the package name to search for
 * @param classes the current ArrayList of all classes. This method will
 * simply add new classes.
 * @throws ClassNotFoundException if a file isn't loaded but still is in the
 * jar file
 * @throws IOException if it can't correctly read from the jar file.
 */
private static void checkJarFile(JarURLConnection connection,
        String pckgname, ArrayList<Class<?>> classes)
        throws ClassNotFoundException, IOException {
    final JarFile jarFile = connection.getJarFile();
    final Enumeration<JarEntry> entries = jarFile.entries();
    String name;

    for (JarEntry jarEntry = null; entries.hasMoreElements()
            && ((jarEntry = entries.nextElement()) != null);) {
        name = jarEntry.getName();

        if (name.contains(".class")) {
            name = name.substring(0, name.length() - 6).replace('/', '.');

            if (name.contains(pckgname)) {
                classes.add(Class.forName(name));
            }
        }
    }
}

/**
 * Attempts to list all the classes in the specified package as determined
 * by the context class loader
 *
 * @param pckgname the package name to search
 * @return a list of classes that exist within that package
 * @throws ClassNotFoundException if something went wrong
 */
private static ArrayList<Class<?>> getClassesForPackage(String pckgname)
        throws ClassNotFoundException {
    final ArrayList<Class<?>> classes = new ArrayList<Class<?>>();

    try {
        final ClassLoader cld = Thread.currentThread()
                .getContextClassLoader();

        if (cld == null) {
            throw new ClassNotFoundException("Can't get class loader.");
        }

        final Enumeration<URL> resources = cld.getResources(pckgname
                .replace('.', '/'));
        URLConnection connection;

        for (URL url = null; resources.hasMoreElements()
                && ((url = resources.nextElement()) != null);) {
            try {
                connection = url.openConnection();

                if (connection instanceof JarURLConnection) {
                    checkJarFile((JarURLConnection) connection, pckgname,
                            classes);
                } else if (connection instanceof FileURLConnection) {
                    try {
                        checkDirectory(
                                new File(URLDecoder.decode(url.getPath(),
                                                "UTF-8")), pckgname, classes);
                    } catch (final UnsupportedEncodingException ex) {
                        throw new ClassNotFoundException(
                                pckgname
                                + " does not appear to be a valid package (Unsupported encoding)",
                                ex);
                    }
                } else {
                    throw new ClassNotFoundException(pckgname + " ("
                            + url.getPath()
                            + ") does not appear to be a valid package");
                }
            } catch (final IOException ioex) {
                throw new ClassNotFoundException(
                        "IOException was thrown when trying to get all resources for "
                        + pckgname, ioex);
            }
        }
    } catch (final NullPointerException ex) {
        throw new ClassNotFoundException(
                pckgname
                + " does not appear to be a valid package (Null pointer exception)",
                ex);
    } catch (final IOException ioex) {
        throw new ClassNotFoundException(
                "IOException was thrown when trying to get all resources for "
                + pckgname, ioex);
    }

    return classes;
}

private static boolean isRecursiveCall = false;
private static ArrayList<Class<?>> classes;

static {
    if (classes == null) {
        try {
            classes = getClassesForPackage("Humans");
        } catch (ClassNotFoundException ex) {

        }
    }    
}

private String doThePetyrBaelish() {
    return Math.random() >= 0.5 ? "good" : "evil";
}

@Override
public String takeSides(String history) {
    if (isRecursiveCall) {
        return doThePetyrBaelish();
    }
    isRecursiveCall = true;

    int currentRoundGoodCount = 0;
    float probabilityOfGood = 0;
    int roundCount = 0;
    int voteCount = 0;



    do {
        for (int i = 0; i < classes.size(); i++) {
            try {
                if (classes.get(i).getName() == "Humans.FortuneTeller") {
                    continue;
                }

                Human human = (Human) classes.get(i).newInstance();
                String response = human.takeSides(history);
                switch (response) {
                    case "good":
                        currentRoundGoodCount++;
                        voteCount++;
                        break;
                    case "evil":
                        voteCount++;
                        break;
                    default:
                        break;
                }
            } catch (Exception e) {
            }
        }

        probabilityOfGood = (probabilityOfGood * roundCount
                + (float) currentRoundGoodCount / voteCount) / (roundCount + 1);

        roundCount++;
        currentRoundGoodCount = 0;
        voteCount = 0;

    } while (roundCount < 11);

    isRecursiveCall = false;
    if (probabilityOfGood > .7) {
        return "evil";
    }
    if (probabilityOfGood < .3) {
        return "good";
    }

    return doThePetyrBaelish();
}

}
5 Added last bracket to the code block
source | link
package Humans;

import java.io.File;
import java.io.IOException;
import java.io.UnsupportedEncodingException;
import java.net.JarURLConnection;
import java.net.URL;
import java.net.URLConnection;
import java.net.URLDecoder;
import java.util.ArrayList;
import java.util.Enumeration;
import java.util.jar.JarEntry;
import java.util.jar.JarFile;
import sun.net.www.protocol.file.FileURLConnection;

public class FortuneTeller extends Human {

/**
 * Code from http://stackoverflow.com/a/22462785 Private helper method
 *
 * @param directory The directory to start with
 * @param pckgname The package name to search for. Will be needed for
 * getting the Class object.
 * @param classes if a file isn't loaded but still is in the directory
 * @throws ClassNotFoundException
 */
private static void checkDirectory(File directory, String pckgname,
        ArrayList<Class<?>> classes) throws ClassNotFoundException {
    File tmpDirectory;

    if (directory.exists() && directory.isDirectory()) {
        final String[] files = directory.list();

        for (final String file : files) {
            if (file.endsWith(".class")) {
                try {
                    classes.add(Class.forName(pckgname + '.'
                            + file.substring(0, file.length() - 6)));
                } catch (final NoClassDefFoundError e) {
                // do nothing. this class hasn't been found by the
                    // loader, and we don't care.
                }
            } else if ((tmpDirectory = new File(directory, file))
                    .isDirectory()) {
                checkDirectory(tmpDirectory, pckgname + "." + file, classes);
            }
        }
    }
}

/**
 * Private helper method.
 *
 * @param connection the connection to the jar
 * @param pckgname the package name to search for
 * @param classes the current ArrayList of all classes. This method will
 * simply add new classes.
 * @throws ClassNotFoundException if a file isn't loaded but still is in the
 * jar file
 * @throws IOException if it can't correctly read from the jar file.
 */
private static void checkJarFile(JarURLConnection connection,
        String pckgname, ArrayList<Class<?>> classes)
        throws ClassNotFoundException, IOException {
    final JarFile jarFile = connection.getJarFile();
    final Enumeration<JarEntry> entries = jarFile.entries();
    String name;

    for (JarEntry jarEntry = null; entries.hasMoreElements()
            && ((jarEntry = entries.nextElement()) != null);) {
        name = jarEntry.getName();

        if (name.contains(".class")) {
            name = name.substring(0, name.length() - 6).replace('/', '.');

            if (name.contains(pckgname)) {
                classes.add(Class.forName(name));
            }
        }
    }
}

/**
 * Attempts to list all the classes in the specified package as determined
 * by the context class loader
 *
 * @param pckgname the package name to search
 * @return a list of classes that exist within that package
 * @throws ClassNotFoundException if something went wrong
 */
private static ArrayList<Class<?>> getClassesForPackage(String pckgname)
        throws ClassNotFoundException {
    final ArrayList<Class<?>> classes = new ArrayList<Class<?>>();

    try {
        final ClassLoader cld = Thread.currentThread()
                .getContextClassLoader();

        if (cld == null) {
            throw new ClassNotFoundException("Can't get class loader.");
        }

        final Enumeration<URL> resources = cld.getResources(pckgname
                .replace('.', '/'));
        URLConnection connection;

        for (URL url = null; resources.hasMoreElements()
                && ((url = resources.nextElement()) != null);) {
            try {
                connection = url.openConnection();

                if (connection instanceof JarURLConnection) {
                    checkJarFile((JarURLConnection) connection, pckgname,
                            classes);
                } else if (connection instanceof FileURLConnection) {
                    try {
                        checkDirectory(
                                new File(URLDecoder.decode(url.getPath(),
                                                "UTF-8")), pckgname, classes);
                    } catch (final UnsupportedEncodingException ex) {
                        throw new ClassNotFoundException(
                                pckgname
                                + " does not appear to be a valid package (Unsupported encoding)",
                                ex);
                    }
                } else {
                    throw new ClassNotFoundException(pckgname + " ("
                            + url.getPath()
                            + ") does not appear to be a valid package");
                }
            } catch (final IOException ioex) {
                throw new ClassNotFoundException(
                        "IOException was thrown when trying to get all resources for "
                        + pckgname, ioex);
            }
        }
    } catch (final NullPointerException ex) {
        throw new ClassNotFoundException(
                pckgname
                + " does not appear to be a valid package (Null pointer exception)",
                ex);
    } catch (final IOException ioex) {
        throw new ClassNotFoundException(
                "IOException was thrown when trying to get all resources for "
                + pckgname, ioex);
    }

    return classes;
}

private static boolean isRecursiveCall = false;
private static ArrayList<Class<?>> classes;

static {
    if (classes == null) {
        try {
            classes = getClassesForPackage("Humans");
        } catch (ClassNotFoundException ex) {

        }
    }    
}

private String doThePetyrBaelish() {
    return Math.random() >= 0.5 ? "good" : "evil";
}

@Override
public String takeSides(String history) {
    if (isRecursiveCall) {
        doThePetyrBaelish();
    }
    isRecursiveCall = true;

    int currentRoundGoodCount = 0;
    float probabilityOfGood = 0;
    int roundCount = 0;
    int voteCount = 0;



    do {
        for (int i = 0; i < classes.size(); i++) {
            try {
                if (classes.get(i).getName() == "Humans.FortuneTeller") {
                    continue;
                }

                Human human = (Human) classes.get(i).newInstance();
                String response = human.takeSides(history);
                switch (response) {
                    case "good":
                        currentRoundGoodCount++;
                        voteCount++;
                        break;
                    case "evil":
                        voteCount++;
                        break;
                    default:
                        break;
                }
            } catch (Exception e) {
            }
        }

        probabilityOfGood = (probabilityOfGood * roundCount
                + (float) currentRoundGoodCount / voteCount) / (roundCount + 1);

        roundCount++;
        currentRoundGoodCount = 0;
        voteCount = 0;

    } while (roundCount < 11);

    isRecursiveCall = false;
    if (probabilityOfGood > .7) {
        return "evil";
    }
    if (probabilityOfGood < .3) {
        return "good";
    }

    return doThePetyrBaelish();
}

}

}

package Humans;

import java.io.File;
import java.io.IOException;
import java.io.UnsupportedEncodingException;
import java.net.JarURLConnection;
import java.net.URL;
import java.net.URLConnection;
import java.net.URLDecoder;
import java.util.ArrayList;
import java.util.Enumeration;
import java.util.jar.JarEntry;
import java.util.jar.JarFile;
import sun.net.www.protocol.file.FileURLConnection;

public class FortuneTeller extends Human {

/**
 * Code from http://stackoverflow.com/a/22462785 Private helper method
 *
 * @param directory The directory to start with
 * @param pckgname The package name to search for. Will be needed for
 * getting the Class object.
 * @param classes if a file isn't loaded but still is in the directory
 * @throws ClassNotFoundException
 */
private static void checkDirectory(File directory, String pckgname,
        ArrayList<Class<?>> classes) throws ClassNotFoundException {
    File tmpDirectory;

    if (directory.exists() && directory.isDirectory()) {
        final String[] files = directory.list();

        for (final String file : files) {
            if (file.endsWith(".class")) {
                try {
                    classes.add(Class.forName(pckgname + '.'
                            + file.substring(0, file.length() - 6)));
                } catch (final NoClassDefFoundError e) {
                // do nothing. this class hasn't been found by the
                    // loader, and we don't care.
                }
            } else if ((tmpDirectory = new File(directory, file))
                    .isDirectory()) {
                checkDirectory(tmpDirectory, pckgname + "." + file, classes);
            }
        }
    }
}

/**
 * Private helper method.
 *
 * @param connection the connection to the jar
 * @param pckgname the package name to search for
 * @param classes the current ArrayList of all classes. This method will
 * simply add new classes.
 * @throws ClassNotFoundException if a file isn't loaded but still is in the
 * jar file
 * @throws IOException if it can't correctly read from the jar file.
 */
private static void checkJarFile(JarURLConnection connection,
        String pckgname, ArrayList<Class<?>> classes)
        throws ClassNotFoundException, IOException {
    final JarFile jarFile = connection.getJarFile();
    final Enumeration<JarEntry> entries = jarFile.entries();
    String name;

    for (JarEntry jarEntry = null; entries.hasMoreElements()
            && ((jarEntry = entries.nextElement()) != null);) {
        name = jarEntry.getName();

        if (name.contains(".class")) {
            name = name.substring(0, name.length() - 6).replace('/', '.');

            if (name.contains(pckgname)) {
                classes.add(Class.forName(name));
            }
        }
    }
}

/**
 * Attempts to list all the classes in the specified package as determined
 * by the context class loader
 *
 * @param pckgname the package name to search
 * @return a list of classes that exist within that package
 * @throws ClassNotFoundException if something went wrong
 */
private static ArrayList<Class<?>> getClassesForPackage(String pckgname)
        throws ClassNotFoundException {
    final ArrayList<Class<?>> classes = new ArrayList<Class<?>>();

    try {
        final ClassLoader cld = Thread.currentThread()
                .getContextClassLoader();

        if (cld == null) {
            throw new ClassNotFoundException("Can't get class loader.");
        }

        final Enumeration<URL> resources = cld.getResources(pckgname
                .replace('.', '/'));
        URLConnection connection;

        for (URL url = null; resources.hasMoreElements()
                && ((url = resources.nextElement()) != null);) {
            try {
                connection = url.openConnection();

                if (connection instanceof JarURLConnection) {
                    checkJarFile((JarURLConnection) connection, pckgname,
                            classes);
                } else if (connection instanceof FileURLConnection) {
                    try {
                        checkDirectory(
                                new File(URLDecoder.decode(url.getPath(),
                                                "UTF-8")), pckgname, classes);
                    } catch (final UnsupportedEncodingException ex) {
                        throw new ClassNotFoundException(
                                pckgname
                                + " does not appear to be a valid package (Unsupported encoding)",
                                ex);
                    }
                } else {
                    throw new ClassNotFoundException(pckgname + " ("
                            + url.getPath()
                            + ") does not appear to be a valid package");
                }
            } catch (final IOException ioex) {
                throw new ClassNotFoundException(
                        "IOException was thrown when trying to get all resources for "
                        + pckgname, ioex);
            }
        }
    } catch (final NullPointerException ex) {
        throw new ClassNotFoundException(
                pckgname
                + " does not appear to be a valid package (Null pointer exception)",
                ex);
    } catch (final IOException ioex) {
        throw new ClassNotFoundException(
                "IOException was thrown when trying to get all resources for "
                + pckgname, ioex);
    }

    return classes;
}

private static boolean isRecursiveCall = false;
private static ArrayList<Class<?>> classes;

static {
    if (classes == null) {
        try {
            classes = getClassesForPackage("Humans");
        } catch (ClassNotFoundException ex) {

        }
    }    
}

private String doThePetyrBaelish() {
    return Math.random() >= 0.5 ? "good" : "evil";
}

@Override
public String takeSides(String history) {
    if (isRecursiveCall) {
        doThePetyrBaelish();
    }
    isRecursiveCall = true;

    int currentRoundGoodCount = 0;
    float probabilityOfGood = 0;
    int roundCount = 0;
    int voteCount = 0;



    do {
        for (int i = 0; i < classes.size(); i++) {
            try {
                if (classes.get(i).getName() == "Humans.FortuneTeller") {
                    continue;
                }

                Human human = (Human) classes.get(i).newInstance();
                String response = human.takeSides(history);
                switch (response) {
                    case "good":
                        currentRoundGoodCount++;
                        voteCount++;
                        break;
                    case "evil":
                        voteCount++;
                        break;
                    default:
                        break;
                }
            } catch (Exception e) {
            }
        }

        probabilityOfGood = (probabilityOfGood * roundCount
                + (float) currentRoundGoodCount / voteCount) / (roundCount + 1);

        roundCount++;
        currentRoundGoodCount = 0;
        voteCount = 0;

    } while (roundCount < 11);

    isRecursiveCall = false;
    if (probabilityOfGood > .7) {
        return "evil";
    }
    if (probabilityOfGood < .3) {
        return "good";
    }

    return doThePetyrBaelish();
}

}

package Humans;

import java.io.File;
import java.io.IOException;
import java.io.UnsupportedEncodingException;
import java.net.JarURLConnection;
import java.net.URL;
import java.net.URLConnection;
import java.net.URLDecoder;
import java.util.ArrayList;
import java.util.Enumeration;
import java.util.jar.JarEntry;
import java.util.jar.JarFile;
import sun.net.www.protocol.file.FileURLConnection;

public class FortuneTeller extends Human {

/**
 * Code from http://stackoverflow.com/a/22462785 Private helper method
 *
 * @param directory The directory to start with
 * @param pckgname The package name to search for. Will be needed for
 * getting the Class object.
 * @param classes if a file isn't loaded but still is in the directory
 * @throws ClassNotFoundException
 */
private static void checkDirectory(File directory, String pckgname,
        ArrayList<Class<?>> classes) throws ClassNotFoundException {
    File tmpDirectory;

    if (directory.exists() && directory.isDirectory()) {
        final String[] files = directory.list();

        for (final String file : files) {
            if (file.endsWith(".class")) {
                try {
                    classes.add(Class.forName(pckgname + '.'
                            + file.substring(0, file.length() - 6)));
                } catch (final NoClassDefFoundError e) {
                // do nothing. this class hasn't been found by the
                    // loader, and we don't care.
                }
            } else if ((tmpDirectory = new File(directory, file))
                    .isDirectory()) {
                checkDirectory(tmpDirectory, pckgname + "." + file, classes);
            }
        }
    }
}

/**
 * Private helper method.
 *
 * @param connection the connection to the jar
 * @param pckgname the package name to search for
 * @param classes the current ArrayList of all classes. This method will
 * simply add new classes.
 * @throws ClassNotFoundException if a file isn't loaded but still is in the
 * jar file
 * @throws IOException if it can't correctly read from the jar file.
 */
private static void checkJarFile(JarURLConnection connection,
        String pckgname, ArrayList<Class<?>> classes)
        throws ClassNotFoundException, IOException {
    final JarFile jarFile = connection.getJarFile();
    final Enumeration<JarEntry> entries = jarFile.entries();
    String name;

    for (JarEntry jarEntry = null; entries.hasMoreElements()
            && ((jarEntry = entries.nextElement()) != null);) {
        name = jarEntry.getName();

        if (name.contains(".class")) {
            name = name.substring(0, name.length() - 6).replace('/', '.');

            if (name.contains(pckgname)) {
                classes.add(Class.forName(name));
            }
        }
    }
}

/**
 * Attempts to list all the classes in the specified package as determined
 * by the context class loader
 *
 * @param pckgname the package name to search
 * @return a list of classes that exist within that package
 * @throws ClassNotFoundException if something went wrong
 */
private static ArrayList<Class<?>> getClassesForPackage(String pckgname)
        throws ClassNotFoundException {
    final ArrayList<Class<?>> classes = new ArrayList<Class<?>>();

    try {
        final ClassLoader cld = Thread.currentThread()
                .getContextClassLoader();

        if (cld == null) {
            throw new ClassNotFoundException("Can't get class loader.");
        }

        final Enumeration<URL> resources = cld.getResources(pckgname
                .replace('.', '/'));
        URLConnection connection;

        for (URL url = null; resources.hasMoreElements()
                && ((url = resources.nextElement()) != null);) {
            try {
                connection = url.openConnection();

                if (connection instanceof JarURLConnection) {
                    checkJarFile((JarURLConnection) connection, pckgname,
                            classes);
                } else if (connection instanceof FileURLConnection) {
                    try {
                        checkDirectory(
                                new File(URLDecoder.decode(url.getPath(),
                                                "UTF-8")), pckgname, classes);
                    } catch (final UnsupportedEncodingException ex) {
                        throw new ClassNotFoundException(
                                pckgname
                                + " does not appear to be a valid package (Unsupported encoding)",
                                ex);
                    }
                } else {
                    throw new ClassNotFoundException(pckgname + " ("
                            + url.getPath()
                            + ") does not appear to be a valid package");
                }
            } catch (final IOException ioex) {
                throw new ClassNotFoundException(
                        "IOException was thrown when trying to get all resources for "
                        + pckgname, ioex);
            }
        }
    } catch (final NullPointerException ex) {
        throw new ClassNotFoundException(
                pckgname
                + " does not appear to be a valid package (Null pointer exception)",
                ex);
    } catch (final IOException ioex) {
        throw new ClassNotFoundException(
                "IOException was thrown when trying to get all resources for "
                + pckgname, ioex);
    }

    return classes;
}

private static boolean isRecursiveCall = false;
private static ArrayList<Class<?>> classes;

static {
    if (classes == null) {
        try {
            classes = getClassesForPackage("Humans");
        } catch (ClassNotFoundException ex) {

        }
    }    
}

private String doThePetyrBaelish() {
    return Math.random() >= 0.5 ? "good" : "evil";
}

@Override
public String takeSides(String history) {
    if (isRecursiveCall) {
        doThePetyrBaelish();
    }
    isRecursiveCall = true;

    int currentRoundGoodCount = 0;
    float probabilityOfGood = 0;
    int roundCount = 0;
    int voteCount = 0;



    do {
        for (int i = 0; i < classes.size(); i++) {
            try {
                if (classes.get(i).getName() == "Humans.FortuneTeller") {
                    continue;
                }

                Human human = (Human) classes.get(i).newInstance();
                String response = human.takeSides(history);
                switch (response) {
                    case "good":
                        currentRoundGoodCount++;
                        voteCount++;
                        break;
                    case "evil":
                        voteCount++;
                        break;
                    default:
                        break;
                }
            } catch (Exception e) {
            }
        }

        probabilityOfGood = (probabilityOfGood * roundCount
                + (float) currentRoundGoodCount / voteCount) / (roundCount + 1);

        roundCount++;
        currentRoundGoodCount = 0;
        voteCount = 0;

    } while (roundCount < 11);

    isRecursiveCall = false;
    if (probabilityOfGood > .7) {
        return "evil";
    }
    if (probabilityOfGood < .3) {
        return "good";
    }

    return doThePetyrBaelish();
}

}
4 fixed classes variable issue
source | link
package Humans;

import java.io.File;
import java.io.IOException;
import java.io.UnsupportedEncodingException;
import java.net.JarURLConnection;
import java.net.URL;
import java.net.URLConnection;
import java.net.URLDecoder;
import java.util.ArrayList;
import java.util.Enumeration;
import java.util.jar.JarEntry;
import java.util.jar.JarFile;
import sun.net.www.protocol.file.FileURLConnection;

public class FortuneTeller extends Human {

/**
 * Code from http://stackoverflow.com/a/22462785 Private helper method
 *
 * @param directory The directory to start with
 * @param pckgname The package name to search for. Will be needed for
 * getting the Class object.
 * @param classes if a file isn't loaded but still is in the directory
 * @throws ClassNotFoundException
 */
private static isRecursiveCallvoid =checkDirectory(File false;directory, String pckgname,
        ArrayList<Class<?>> classes) throws ClassNotFoundException {
    File tmpDirectory;

    if (directory.exists() && directory.isDirectory()) {
        final String[] files = directory.list();

        for (final String file : files) {
            if (file.endsWith(".class")) {
                try {
                    classes.add(Class.forName(pckgname + '.'
                            + file.substring(0, file.length() - 6)));
                } catch (final NoClassDefFoundError e) {
                // do nothing. this class hasn't been found by the
                    // loader, and we don't care.
                }
            } else if ((tmpDirectory = new File(directory, file))
                    .isDirectory()) {
                checkDirectory(tmpDirectory, pckgname + "." + file, classes);
            }
        }
    }
}

/**
 * Private helper method.
 *
 * @param connection the connection to the jar
 * @param pckgname the package name to search for
 * @param classes the current ArrayList of all classes. This method will
 * simply add new classes.
 * @throws ClassNotFoundException if a file isn't loaded but still is in the
 * jar file
 * @throws IOException if it can't correctly read from the jar file.
 */
private static void checkJarFile(JarURLConnection connection,
        String doThePetyrBaelishpckgname, ArrayList<Class<?>> classes)
        throws ClassNotFoundException, IOException {
    final JarFile jarFile = connection.getJarFile();
    final Enumeration<JarEntry> entries = jarFile.entries();
    String name;

    for (JarEntry jarEntry = null; entries.hasMoreElements()
            && ((jarEntry = entries.nextElement()) != null);) {
        name = jarEntry.getName();

        if (name.contains(".class")) {
            name = name.substring(0, name.length() - 6).replace('/', '.');

            if (name.contains(pckgname)) {
                classes.add(Class.forName(name));
            }
        }
    }
}

/**
 * Attempts to list all the classes in the specified package as determined
 * by the context class loader
 *
 * @param pckgname the package name to search
 * @return a list of classes that exist within that package
 * @throws ClassNotFoundException if something went wrong
 */
private static ArrayList<Class<?>> getClassesForPackage(String pckgname)
        throws ClassNotFoundException {
    final ArrayList<Class<?>> classes = new ArrayList<Class<?>>();

    try {
        final ClassLoader cld = Thread.currentThread()
                .getContextClassLoader();

        if (cld == null) {
            throw new ClassNotFoundException("Can't get class loader.");
        }

        final Enumeration<URL> resources = cld.getResources(pckgname
                .replace('.', '/'));
        URLConnection connection;

        for (URL url = null; resources.hasMoreElements()
                && ((url = resources.nextElement()) != null);) {
            try {
                connection = url.openConnection();

                if (connection instanceof JarURLConnection) {
                    checkJarFile((JarURLConnection) connection, pckgname,
                            classes);
                } else if (connection instanceof FileURLConnection) {
                    try {
                        checkDirectory(
                                new File(URLDecoder.decode(url.getPath(),
                                                "UTF-8")), pckgname, classes);
                    } catch (final UnsupportedEncodingException ex) {
                        throw new ClassNotFoundException(
                                pckgname
                                + " does not appear to be a valid package (Unsupported encoding)",
                                ex);
                    }
                } else {
                    throw new ClassNotFoundException(pckgname + " ("
                            + url.getPath()
                            + ") does not appear to be a valid package");
                }
            } catch (final IOException ioex) {
                throw new ClassNotFoundException(
                        "IOException was thrown when trying to get all resources for "
                        + pckgname, ioex);
            }
        }
    } catch (final NullPointerException ex) {
        throw new ClassNotFoundException(
                pckgname
                + " does not appear to be a valid package (Null pointer exception)",
                ex);
    } catch (final IOException ioex) {
        throw new ClassNotFoundException(
                "IOException was thrown when trying to get all resources for "
                + pckgname, ioex);
    }

    return classes;
}

private static boolean isRecursiveCall = false;
private static ArrayList<Class<?>> classes;

static {
    if (classes == null) {
        try {
            classes = getClassesForPackage("Humans");
        } catch (ClassNotFoundException ex) {

        }
    }    
}

private String doThePetyrBaelish() {
    return Math.random() >= 0.5 ? "good" : "evil";
}

@Override
public String takeSides(String history) {
    if (isRecursiveCall) {
        return doThePetyrBaelish();
    }
    isRecursiveCall = true;

    int currentRoundGoodCount = 0;
    float probabilityOfGood = 0;
    int roundCount = 0;
    int voteCount = 0;
 


    do {
        for (int i = 0; i < classes.size(); i++) {
            try {
                if (classes.get(i).getName() == "FortuneTeller""Humans.FortuneTeller") {
                    continue;
                }

                Human human = (Human) classes.get(i).newInstance();
                String response = human.takeSides(history);
                switch (response) {
                    case "good":
                        currentRoundGoodCount++;
                        voteCount++;
                        break;
                    case "evil":
                        voteCount++;
                        break;
                    default:
                        break;
                }
             } catch (Exception e) {
            }
        }

        probabilityOfGood = (probabilityOfGood * roundCount +
                + (float) currentRoundGoodCount / voteCount) / (roundCount + 1);

        roundCount++;
        currentRoundGoodCount = 0;
        voteCount = 0;

    } while (roundCount < 11);

    isRecursiveCall = false;
    if (probabilityOfGood > .7) {
        return "evil";
    }
    if (probabilityOfGood < .3) {
        return "good";
    }

    return doThePetyrBaelish();  
}

}

package Humans;

public class FortuneTeller extends Human {

private static isRecursiveCall = false;

private String doThePetyrBaelish () {
    return Math.random() >= 0.5 ? "good" : "evil";
}

public String takeSides(String history) {
    if (isRecursiveCall)
        return doThePetyrBaelish();
    isRecursiveCall = true;

    int currentRoundGoodCount = 0;
    float probabilityOfGood = 0;
    int roundCount = 0;
    int voteCount = 0;

    do {
        for (int i = 0; i < classes.size(); i++) {
            try {
                if (classes.get(i).getName() == "FortuneTeller") 
                    continue;

                Human human = (Human)classes.get(i).newInstance();
                String response = human.takeSides(history);
                switch (response) {
                    case "good":
                        currentRoundGoodCount++;
                        voteCount++;
                        break;
                    case "evil":
                        voteCount++;
                        break;
                    default:
                        break;
                }
             } catch (Exception e) { }
        }

        probabilityOfGood = (probabilityOfGood * roundCount +
            (float)currentRoundGoodCount/voteCount) / (roundCount + 1);

        roundCount++;
        currentRoundGoodCount = 0;
        voteCount = 0;

    } while (roundCount < 11);

    isRecursiveCall = false;
    if (probabilityOfGood > .7) 
        return "evil";
    if (probabilityOfGood < .3) 
        return "good";

    return doThePetyrBaelish();  
}
package Humans;

import java.io.File;
import java.io.IOException;
import java.io.UnsupportedEncodingException;
import java.net.JarURLConnection;
import java.net.URL;
import java.net.URLConnection;
import java.net.URLDecoder;
import java.util.ArrayList;
import java.util.Enumeration;
import java.util.jar.JarEntry;
import java.util.jar.JarFile;
import sun.net.www.protocol.file.FileURLConnection;

public class FortuneTeller extends Human {

/**
 * Code from http://stackoverflow.com/a/22462785 Private helper method
 *
 * @param directory The directory to start with
 * @param pckgname The package name to search for. Will be needed for
 * getting the Class object.
 * @param classes if a file isn't loaded but still is in the directory
 * @throws ClassNotFoundException
 */
private static void checkDirectory(File directory, String pckgname,
        ArrayList<Class<?>> classes) throws ClassNotFoundException {
    File tmpDirectory;

    if (directory.exists() && directory.isDirectory()) {
        final String[] files = directory.list();

        for (final String file : files) {
            if (file.endsWith(".class")) {
                try {
                    classes.add(Class.forName(pckgname + '.'
                            + file.substring(0, file.length() - 6)));
                } catch (final NoClassDefFoundError e) {
                // do nothing. this class hasn't been found by the
                    // loader, and we don't care.
                }
            } else if ((tmpDirectory = new File(directory, file))
                    .isDirectory()) {
                checkDirectory(tmpDirectory, pckgname + "." + file, classes);
            }
        }
    }
}

/**
 * Private helper method.
 *
 * @param connection the connection to the jar
 * @param pckgname the package name to search for
 * @param classes the current ArrayList of all classes. This method will
 * simply add new classes.
 * @throws ClassNotFoundException if a file isn't loaded but still is in the
 * jar file
 * @throws IOException if it can't correctly read from the jar file.
 */
private static void checkJarFile(JarURLConnection connection,
        String pckgname, ArrayList<Class<?>> classes)
        throws ClassNotFoundException, IOException {
    final JarFile jarFile = connection.getJarFile();
    final Enumeration<JarEntry> entries = jarFile.entries();
    String name;

    for (JarEntry jarEntry = null; entries.hasMoreElements()
            && ((jarEntry = entries.nextElement()) != null);) {
        name = jarEntry.getName();

        if (name.contains(".class")) {
            name = name.substring(0, name.length() - 6).replace('/', '.');

            if (name.contains(pckgname)) {
                classes.add(Class.forName(name));
            }
        }
    }
}

/**
 * Attempts to list all the classes in the specified package as determined
 * by the context class loader
 *
 * @param pckgname the package name to search
 * @return a list of classes that exist within that package
 * @throws ClassNotFoundException if something went wrong
 */
private static ArrayList<Class<?>> getClassesForPackage(String pckgname)
        throws ClassNotFoundException {
    final ArrayList<Class<?>> classes = new ArrayList<Class<?>>();

    try {
        final ClassLoader cld = Thread.currentThread()
                .getContextClassLoader();

        if (cld == null) {
            throw new ClassNotFoundException("Can't get class loader.");
        }

        final Enumeration<URL> resources = cld.getResources(pckgname
                .replace('.', '/'));
        URLConnection connection;

        for (URL url = null; resources.hasMoreElements()
                && ((url = resources.nextElement()) != null);) {
            try {
                connection = url.openConnection();

                if (connection instanceof JarURLConnection) {
                    checkJarFile((JarURLConnection) connection, pckgname,
                            classes);
                } else if (connection instanceof FileURLConnection) {
                    try {
                        checkDirectory(
                                new File(URLDecoder.decode(url.getPath(),
                                                "UTF-8")), pckgname, classes);
                    } catch (final UnsupportedEncodingException ex) {
                        throw new ClassNotFoundException(
                                pckgname
                                + " does not appear to be a valid package (Unsupported encoding)",
                                ex);
                    }
                } else {
                    throw new ClassNotFoundException(pckgname + " ("
                            + url.getPath()
                            + ") does not appear to be a valid package");
                }
            } catch (final IOException ioex) {
                throw new ClassNotFoundException(
                        "IOException was thrown when trying to get all resources for "
                        + pckgname, ioex);
            }
        }
    } catch (final NullPointerException ex) {
        throw new ClassNotFoundException(
                pckgname
                + " does not appear to be a valid package (Null pointer exception)",
                ex);
    } catch (final IOException ioex) {
        throw new ClassNotFoundException(
                "IOException was thrown when trying to get all resources for "
                + pckgname, ioex);
    }

    return classes;
}

private static boolean isRecursiveCall = false;
private static ArrayList<Class<?>> classes;

static {
    if (classes == null) {
        try {
            classes = getClassesForPackage("Humans");
        } catch (ClassNotFoundException ex) {

        }
    }    
}

private String doThePetyrBaelish() {
    return Math.random() >= 0.5 ? "good" : "evil";
}

@Override
public String takeSides(String history) {
    if (isRecursiveCall) {
        doThePetyrBaelish();
    }
    isRecursiveCall = true;

    int currentRoundGoodCount = 0;
    float probabilityOfGood = 0;
    int roundCount = 0;
    int voteCount = 0;
 


    do {
        for (int i = 0; i < classes.size(); i++) {
            try {
                if (classes.get(i).getName() == "Humans.FortuneTeller") {
                    continue;
                }

                Human human = (Human) classes.get(i).newInstance();
                String response = human.takeSides(history);
                switch (response) {
                    case "good":
                        currentRoundGoodCount++;
                        voteCount++;
                        break;
                    case "evil":
                        voteCount++;
                        break;
                    default:
                        break;
                }
            } catch (Exception e) {
            }
        }

        probabilityOfGood = (probabilityOfGood * roundCount
                + (float) currentRoundGoodCount / voteCount) / (roundCount + 1);

        roundCount++;
        currentRoundGoodCount = 0;
        voteCount = 0;

    } while (roundCount < 11);

    isRecursiveCall = false;
    if (probabilityOfGood > .7) {
        return "evil";
    }
    if (probabilityOfGood < .3) {
        return "good";
    }

    return doThePetyrBaelish();
}

}

3 fixed recursive call issue
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2 added 32 characters in body
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1
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