первое и последнее условие не выполняет( почему?
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.List;
import java.util.HashMap;
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<String> list = new ArrayList<>();
//while (true) {
// String family = reader.readLine();
// if (family.isEmpty()) {
// break;
// }
// list.add(family);
//}
// Read the house number
//int houseNumber = Integer.parseInt(reader.readLine());
//if (0 <= houseNumber && houseNumber < list.size()) {
// String familyName = list.get(houseNumber);
// System.out.println(familyName);
//}
HashMap<String, String> city_family = new HashMap<String, String>();
while (true) {
String city = reader.readLine();
String family = reader.readLine();
if (family.isEmpty()||city.isEmpty()) {
break;
}
city_family.put(city,family);
}
String city_poisk = reader.readLine();
if (!city_poisk.isEmpty()) {
String familyName = city_family.get(city_poisk);
}
System.out.println(familyName);
}
}