Basic Sorting

Sorting in java of arrays of any type that implements an interface: Comparable or Comparator The program sort in java: import java.util.Arrays; import java.util.Collections; public class Main { public static void main(String[] args) { String [] s = {"zzz","ZZZ","ddd", "AAA","xxx","aaa"}; Arrays.sort(s); //reverse order Arrays.sort(s, Collections.reverseOrder()); //case insensitive order Arrays.sort(s,String.CASE_INSENSITIVE_ORDER); } }