import java.util.Arrays;

public class CopyOf
{
   public static void main(String[] args)
   {
      int[] list = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10};
      int[] copy;

      copy = Arrays.copyOf(list, 4);
      copy = Arrays.copyOf(list, list.length);
   }
}