In my getWinner function what is the problem. I am try to loop the hashmap so as to print the key with the highest value.

Question

import java.util.*;

public class Bowling {
HashMap<String, Integer> players;
Bowling() {
players = new HashMap<String, Integer>();
}
public void addPlayer(String name, int p) {
players.put(name, p);
}
//your code goes here

public void getWinner(){
int highVal = Collections.max(players.values());
for(Entry<String,Integer>score:players.entrySet()){
if(score.getValue()==highVal){
System.out.println(score.getKey());
}
}
}
}

public class Program {
public static void main(String[ ] args) {
Bowling game = new Bowling();
Scanner sc = new Scanner(System.in);

for(int i=0;i<3;i++) {
String input = sc.nextLine();
String[] values = input.split(" ");
String name = values[0];
int points = Integer.parseInt(values[1]);
game.addPlayer(name, points);
}
game.getWinner();
}
}

Answer 1

Specify where Entry was defined (HashMap.Entry)

for( HashMap.Entry<String, Integer>score : players.entrySet() )

Answer 2

Correct. Thank you

Answer 3

If you want to learn with java 8 stream API 😉:

https://code.sololearn.com/cl0AJF6gJH4t/?ref=app