[Demonstration 1]

[Buggy Method]
public T findByRowId(String databaseName, long rowId) {
    return findBySelection(databaseName, getPrimaryKey() + "=" + rowId, null, null);
}

[Buggy Hunk]
return findBySelection(databaseName, getPrimaryKey() + "=" + rowId, null, null);

[Patch]
return findBySelection(databaseName, getPrimaryKey() + "=?", new String[]{String.valueOf(rowId)}, null);

[Demonstration 2]

[Buggy Method]
public Map<Range, List<Rect>> separateLines(List<Rect> rects) {
    Map<Range, List<Rect>> lines = new TreeMap<>(CompareUtil.rangeComparator());
    for (Rect rect : rects) {
        Range r = new Range(rect.y, rect.y + rect.height);
        Range r2 = RangeUtil.overlapRangeInSet(r, lines.keySet());
        if (r2 == null) {
            List<Rect> list = new ArrayList<Rect>();
            list.add(rect);
            lines.put(r, list);
        } else {
            Range ru = RangeUtil.rangeUnion(r, r2);
            List<Rect> list = lines.remove(r2);
            list.add(rect);
            lines.put(ru, list);
        }
    }
    lines.replaceAll((k, v) -> {
        v.sort(CompareUtil.rectComparator());
        return v;
    });
    return lines;
}

[Buggy Hunk]
public Map<Range,List<Rect>> separateLines(List<Rect> rects){

[Patch]
public static Map<Range,List<Rect>> separateLines(List<Rect> rects){

[Demonstration 3]

[Buggy Method]
private List<Entry<String, Integer>> sortedByValuesDescending(final ZvddStats stats) {
    final List<Entry<String, Integer>> entries = new ArrayList<>(stats.map.entrySet());
    Collections.sort(entries, new Comparator<Entry<String, Integer>>() {

        @Override
        public int compare(final Entry<String, Integer> entry1, final Entry<String, Integer> entry2) {
            // compare second to first for descending order:
            return entry2.getValue().compareTo(entry1.getValue());
        }
    });
    return entries;
}

[Buggy Hunk]
private List<Entry<String, Integer>> sortedByValuesDescending(

[Patch]
private static List<Entry<String, Integer>> sortedByValuesDescending(