import java.util.HashMap;

import java.util.Map;

public class number_of_character {

public static void main(String[] args) {

// TODO Auto-generated method stub

String s = "asdasdugahjjaiosdhgbh";

Map <Character, Integer> map = new <Character, Integer> HashMap();

int len = s.length();

for(int i=0; i<s.length();i++) {

Character k = s.charAt(i);

map.put(k, (map.get(k) == null ? 1: map.get(k) + 1));

}

System.out.println(map);

char key = 0;

int min=-1;

for (Map.Entry<Character, Integer> entry : map.entrySet()) {

if(min<entry.getValue())

{

min=entry.getValue();

key=entry.getKey();

}

}

System.out.println("Key = " + key + ", Value = " +min);

}

}