Question: Java Help! Partition the array list for values less than the pivot. private static ArrayList partitionLess(ArrayList data, int pivot) { Partition the array list for

Java Help! Partition the array list for values less than the pivot.
private static ArrayList partitionLess(ArrayList data, int pivot) {

Partition the array list for values equal to the pivot.

private static ArrayList partitionEqual(ArrayList data, int pivot) {

Partition the array list for values greater than the pivot.

private static ArrayList partitionGreater(ArrayList data, int pivot) {

Does a quick sort and returns a newly sorted array list. 
public static ArrayList quickSort(ArrayList data) {

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