import java.util.Arrays;
public class ArrayCopy {
 public static void main(String args[]) {
  System.out.printf("Before (original)\t%s%n", Arrays.toString(args));
  String copy[] = Arrays.copyOf(args, 4);
  System.out.printf("Before (copy)\t\t%s%n", Arrays.toString(copy));
  copy[0] = "A";
  copy[1] = "B";
  copy[2] = "C";
  copy[3] = "D";
  System.out.printf("After (original)\t%s%n", Arrays.toString(args));
  System.out.printf("After (copy)\t\t%s%n", Arrays.toString(copy));
  }
}