Using Arrays.copyOf to copy an array

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));
}
}