[Demonstration 1]

[Buggy Method]
public abstract int getQuizSize() {
    return 5;
}

[Buggy Hunk]
public abstract int getQuizSize() {

[Patch]
public int getQuizSize() {

[Demonstration 2]

[Buggy Method]
@Override
protected void onCreate(Bundle savedInstanceState) {
    setContentView(R.layout.activity_queue);
    super.onCreate(savedInstanceState);
    RecyclerView recyclerView = (RecyclerView) findViewById(R.id.queue_recycler_view);
    recyclerView.setHasFixedSize(true);
    recyclerView.setLayoutManager(new LinearLayoutManager(this));
    DefaultItemAnimator animator = new DefaultItemAnimator() {

        @Override
        public boolean canReuseUpdatedViewHolder(@NonNull RecyclerView.ViewHolder viewHolder) {
            return true;
        }
    };
    recyclerView.setItemAnimator(animator);
    tutorial = findViewById(R.id.queue_tutorial);
    updateTutorial();
}

[Buggy Hunk]
RecyclerView recyclerView = (RecyclerView) findViewById(R.id.queue_recycler_view);

[Patch]
recyclerView = (RecyclerView) findViewById(R.id.queue_recycler_view);