案例,输入“Hello I am there!” 输出“there am I Hello!” 程序简单直接上 import java.util.Scanner;public class A{public static void main(String[] args){//Scanner scan = new Scanner(System.
1.查重返回第一个没有重复的字母 var str = 'asdasdfabffjasasobx';var strs = [];var len = str.length;var num = 0;for (var i = 0; i < len; i++) {strs.push(str.slice(i, i + 1));}for<