[Demonstration 1]

[Buggy Method]
void print(String string) {
    GUI.postString(string);
}

[Buggy Hunk]
void print(String string) {

[Patch]
public void print(String string) {

[Demonstration 2]

[Buggy Method]
static String formatWithParameters(String string) {
    final String[] tokens = string.split(tokenDelimiter);
    if (tokens.length == 1) {
        return tokens[0];
    }
    final StringBuilder stringBuilder = new StringBuilder("\"");
    final List<String> parameters = new ArrayList<>();
    for (int i = 0; i < tokens.length; i++) {
        final String currentToken = tokens[i];
        if (currentToken.matches(parameterRegex)) {
            parameters.add(currentToken);
            if (i < tokens.length - 1) {
                final String nextToken = tokens[i + 1];
                if (!nextToken.matches(parameterRegex)) {
                    stringBuilder.append("{}");
                }
            }
        } else {
            stringBuilder.append(currentToken.replaceAll("\"", ""));
            if (i < tokens.length - 1) {
                final String nextToken = tokens[i + 1];
                if (nextToken.matches(parameterRegex)) {
                    stringBuilder.append("{}");
                }
            }
        }
    }
    stringBuilder.append("\"");
    parameters.forEach(parameter -> stringBuilder.append(parameterDelimiter).append(parameter));
    return stringBuilder.toString().replaceAll("(\\{}){2,}", "{}");
}

[Buggy Hunk]
stringBuilder.append(currentToken.replaceAll("\"", ""));

[Patch]
stringBuilder.append(currentToken.replaceAll("\"|\\\\\"", ""));

[Demonstration 3]

[Buggy Method]
private void initServer() throws ConfigurationException {
    if (port == 0) {
        throw new ConfigurationException("Port value not set");
    }
    newChannel();
    if (channel == null) {
        throw new ConfigurationException("ISO Channel is null");
    }
    if (!(channel instanceof ServerChannel)) {
        throw new ConfigurationException(channelString + "does not implement ServerChannel");
    }
    ThreadPool pool = null;
    pool = new ThreadPool(minSessions, maxSessions);
    pool.setLogger(log.getLogger(), getName() + ".pool");
    server = new ISOServer(port, (ServerChannel) channel, pool);
    server.setLogger(log.getLogger(), getName() + ".server");
    server.setName(getName());
    if (socketFactoryString != null) {
        ISOServerSocketFactory sFac = (ISOServerSocketFactory) getFactory().newInstance(socketFactoryString);
        if (sFac != null && sFac instanceof LogSource) {
            ((LogSource) sFac).setLogger(log.getLogger(), getName() + ".socket-factory");
        }
        server.setSocketFactory(sFac);
    }
    getFactory().setConfiguration(server, getPersist());
    addServerSocketFactory();
    // ISORequestListener
    addListeners();
    addISOServerConnectionListeners();
    NameRegistrar.register(getName(), this);
    new Thread(server).start();
}

[Buggy Hunk]
pool = new ThreadPool (minSessions ,maxSessions);

[Patch]
pool = new ThreadPool (minSessions ,maxSessions, getName() + "-ThreadPool");