java向数组中插入元素

/**
   * 
  * @Title: test_insert_array
  * @Description: 该方法的主要作用：像数组中插入元素
  * @param   设定文件  
  * @return  返回类型：void   
  * @throws
   */
  @Test
  public void test_insert_array(){
    Scanner scanner = new Scanner(System.in);
    int []    list    =   new   int[6];
    list    [0]   = 88;
    list    [1]   = 92;
    list    [2]   = 99;
    list    [3]   = 98;
    list    [4]   = 54;
    int index = list.length;      //保存新增元素的插入位置
    System.out.println("请输入新增成绩：");
    int num = scanner.nextInt();
    for (int i = 0; i < list.length; i++) {
      if(num>list[i]){
          index   =   i;
        break;
      }
    }
    //元素后移
    for (int i = list.length-1; i >index; i++) {
          list[i] = list[i-1];
    }
        list[index] = num;    //保存插入的数据
    System.out.println("插入数据的下标是："+index);
    System.out.println("插入的入数据是："+num);
    //进行排序
    Arrays.sort(list);
    for (int i = 0; i < list.length; i++) {
      System.out.println(list[i]+"\t");
    }
  }