map任意字符串出现的次数

package com.suypower.chengyu.array;

import java.util.*;
public  class Test {
	public   Map<Character,Integer>  dealstr(){
		System.out.println("输入任意字符串：");
		Scanner scanner = new Scanner(System.in);
		String strings = scanner.nextLine();
		char ch;
		Map<Character,Integer> mp=new HashMap<Character,Integer>();
		for(int i=0;i<strings.length();i++){
			ch=strings.charAt(i);
			if(mp.containsKey(ch)){
				mp.put(ch,mp.get(ch).intValue()+1);
			}else{
				mp.put(ch,1); 
			}         
		}      
		System.out.println(mp);
		return mp;
	}
	public void sort(Map mp){}
	public static void main(String[] args){
		Test st=new Test();
		Map mp=st.dealstr();
	}
}