ysmilek的博客

原创 任意输入字符串，输出出现次数最多的字母和次数 String str="ddqertoponvxzsgppdsreebhopvxw";

package month6.daily.day613; import java.util.HashMap; import java.util.Scanner; import java.util.Set; /** Created by Administrator on 2019/6/13. */ public class c { public static void main(String[] ...