字符串反转(10)

输入一行字符串,然后反转输出来

  Scanner sc = new Scanner(System.in);

  System.out.println("请输入你要反转的字符串:");

  String line = sc.nextLine();

  //将字符串先转换成字符数组

  char[] arr = line.toCharArray();

  String str = "";

  for(int i = arr.length()-1;i>=;i--){

    str = str + arr[i];

  }

  System.out.println(str);

posted @ 2017-09-21 22:25  LiangFuCheng  阅读(161)  评论(0编辑  收藏  举报