Java tutorial
//package com.java2s; import java.util.Arrays; import java.util.Collections; import java.util.Comparator; import java.util.List; public class Main { public static <T extends Comparable<? super T>> void sort(List<T> list) { Collections.sort(list); } public static <T> void sort(List<T> list, Comparator<? super T> c) { Collections.sort(list, c); } public static <T> void sort(T[] list, Comparator<T> comp) { Arrays.sort(list, comp); } }