Java tutorial
import java.util.Arrays; import java.util.Collections; public class Main { public static void main(String[] argv) throws Exception { int[] intArray = new int[] { 4, 1, 3, -23 }; Arrays.sort(intArray); // [-23, 1, 3, 4] String[] strArray = new String[] { "z", "a", "C" }; Arrays.sort(strArray); // [C, a, z] // Case-insensitive sort Arrays.sort(strArray, String.CASE_INSENSITIVE_ORDER); // [a, C, z] // Reverse-order sort Arrays.sort(strArray, Collections.reverseOrder()); // [z, a, C] // Case-insensitive reverse-order sort Arrays.sort(strArray, String.CASE_INSENSITIVE_ORDER); Collections.reverse(Arrays.asList(strArray)); // [z, C, a] } }