import java.util.Arrays; public class Main { public static void main(String[] args) { long[] l1 = new long[] { 3L, 2L, 5L, 4L, 1L }; for (long l: l1){ System.out.print(" " + l); } Arrays.sort(l1); for (long l: l1){ System.out.print(" " + l); } long[] l2 = new long[] { 5, 2, 3, 1, 4 }; Arrays.sort(l2, 1, 4); for (long l: l2){ System.out.print(" " + l); } } }