[Demonstration 1]

[Buggy Method]
public static void initialize(Context context) {
    if (instance == null) {
        instance = new LayoutManager(context);
    }
}

[Buggy Hunk]
public static void initialize(Context context) {

[Patch]
public static void initialize(@NonNull Context context) {

[Demonstration 2]

[Buggy Method]
private void createApplicationCallBack() {
    JSObject window = (JSObject) m_view.m_webEngine.executeScript("window");
    window.setMember("app", new ApplicationCallback(this));
}

[Buggy Hunk]
JSObject window = (JSObject) m_view.m_webEngine.executeScript("window");

[Patch]
JSObject window = (JSObject) m_webEngine.executeScript("window");

[Demonstration 3]

[Buggy Method]
public static Chatter getInstance(Context context) throws IOException, ParserConfigurationException {
    if (instance == null) {
        instance = new Chatter(context);
        aimlHelper = new AIMLHelper();
        aimlHelper.load(context.getApplicationContext().getAssets().open("brain.aiml"));
    }
    return instance;
}

[Buggy Hunk]
aimlHelper = new AIMLHelper();

[Patch]
aimlHelper = new AIMLHelper2();