java---数组复制

  int[] src = {1,3,5,7,9,11,13,15,17};

  int[] dest = {2,4,6,8,10,12,14,16,18,20};

    //copyOf(是复制src数组从0开始的两个元素到新的数组对象)

int[] copyof=Arrays.copyOf(src, 2);

      System.out.println(Arrays.toString(copyof));

结果为：[1, 3]