работает как указано в условии - но валидатор не принимает, где соль?
package com.javarush.task.task08.task0829;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
/*
Модернизация ПО
*/
public class Solution {
public static void main(String[] args) throws IOException {
BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
// List of addresses
HashMap<String, String> addresses = new HashMap<>();
while (true) {
String city = reader.readLine().trim();
String family = reader.readLine().trim();
if (city.isEmpty() && family.isEmpty()) break;
addresses.put(city, family);
}
// Read the house number
String whatCity = reader.readLine().trim();
for (Map.Entry<String, String> entry : addresses.entrySet()) {
String as = entry.getKey();
if (whatCity.equalsIgnoreCase(as))
System.out.println(entry.getValue());
}
}
}