В чем ошибка?
package com.javarush.task.task10.task1019;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.HashMap;
/*
Функциональности маловато!
*/
public class Solution {
public static void main(String[] args) throws IOException {
BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
HashMap <Integer, String> map = new HashMap<>();
while(true){
int id = Integer.parseInt(reader.readLine());
String name = reader.readLine();
map.put(id,name);
if (reader.readLine().isEmpty()) {
break;
}
}
for(HashMap.Entry<Integer, String> pair : map.entrySet() ) {
System.out.println(pair.getKey() + " " + pair.getValue());
}
}
}