[Demonstration 1]

[Buggy Method]
public boolean isHelpValid(String[] arguments) {
    if (arguments.length == 0) {
        return true;
    } else if (arguments.length == 1) {
        return !commandList_.getHelpArgumentList().contains(arguments[0]);
    } else {
        return false;
    }
}

[Buggy Hunk]
return !commandList_.getHelpArgumentList().contains(arguments[0]);

[Patch]
return commandList_.getHelpArgumentList().contains(arguments[0]);

[Demonstration 2]

[Buggy Method]
private boolean comparator(String firstWordInTitle, String[] wordsToIgnore) {
    for (int i = 0; i < wordsToIgnore.length; i++) {
        if (firstWordInTitle.trim().equalsIgnoreCase(wordsToIgnore[i].trim())) {
            return false;
        }
    }
    return true;
}

[Buggy Hunk]
private boolean comparator(String firstWordInTitle, String[] wordsToIgnore) {

[Patch]
private static boolean comparator(String firstWordInTitle, String[] wordsToIgnore) {

[Demonstration 3]

[Buggy Method]
public static APersistentMap jsonResponse(Object data, String callback, Map headers) {
    return jsonResponse(data, callback, true, null, headers);
}

[Buggy Hunk]
public static APersistentMap jsonResponse(Object data, String callback, Map headers) {

[Patch]
public static Map jsonResponse(Object data, String callback, Map headers) {