[Demonstration 1]

[Buggy Method]
public void onTabClose(TabSheet tabsheet, Component tabContent) {
    tabsheet.removeComponent(tabContent);
    ((ClosableTab) tabContent).close();
    if (tabsheet.getComponentCount() == 0) {
        //setVisible(false) doesn't work here because of out of sync errors
        tabSheet.hideTabs(true);
        tabSheet.setHeight("0px");
        addComponent(noOpenTabsLabel, 0);
        noOpenTabsLabel.setVisible(true);
        setMargin(true);
        setSizeUndefined();
    }
}

[Buggy Hunk]
tabSheet.hideTabs(true);

[Patch]
tabSheet.setTabsVisible(false);

[Demonstration 2]

[Buggy Method]
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
    View view = inflater.inflate(R.layout.card_layout, container, false);
    imageView = (ImageView) view.findViewById(R.id.imageView);
    Bundle bundle = getArguments();
    title = bundle.getString("Title");
    imgSource = bundle.getString("ImageSource");
    if (imgSource != null) {
        imageView.setImageDrawable(Manager.getImageFromSrc(imgSource, inflater.getContext()));
    }
    return view;
}

[Buggy Hunk]
if(imgSource != null) {

[Patch]
if(!imgSource.isEmpty()) {

[Demonstration 3]

[Buggy Method]
public void replaceWindow(Component comp) {
    if (this.panel.getComponentCount() > 0) {
        this.panel.remove(0);
    }
    this.panel.add(comp);
    this.panel.revalidate();
}

[Buggy Hunk]
public void replaceWindow(Component comp) {

[Patch]
public void replaceWindow(final Component comp) {