huangli1466384630的博客

public void maopao(){ int[] arr = {45,9,67,23,34}; for(int i = 0;i < arr.length - 1; i++){ System.out.println("比较次数：" + (arr.length - 1 -i)); for(int j = 0;j < arr.length - 1 -i; j++){//每轮...

public static void main(String[] args) { System.out.println("输入一个字符串:"); Scanner in=new Scanner(System.in); String  str=in.nextLine(); //存放 Map<Character,Integer> map= new HashMap&lt...