[Demonstration 1]

[Buggy Method]
private List<Num> convertToUtilityClass(int[] input) {
    List<Num> nums = new ArrayList<Num>(input.length);
    for (int index = 0; index <= input.length - 1; index++) {
        Num n = new Num();
        n.index = index;
        n.value = input[index];
        nums.add(n);
    }
    return nums;
}

[Buggy Hunk]
private List<Num> convertToUtilityClass(int[] input){

[Patch]
private static List<Num> convertToUtilityClass(int[] input){

[Demonstration 2]

[Buggy Method]
@After
public void cleanupTempFile() throws IOException {
    if (tempFile != null)
        Files.delete(tempFile);
}

[Buggy Hunk]
Files.delete(tempFile);

[Patch]
tempFile.toFile().deleteOnExit();