В идее все работает, здесь не принимает по 3 последним пунктам
package com.javarush.task.task08.task0817;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Map;
public class Solution {
public static HashMap<String, String> createMap() {
HashMap<String, String> people = new HashMap<String, String>();
people.put("Ф1", "Паша");
people.put("Ф2", "Гриша");
people.put("Ф3", "Вадим");
people.put("Ф4", "Гриша");
people.put("Ф5", "Глеб");
people.put("Ф6", "Кирилл");
people.put("Ф7", "Оля");
people.put("Ф8", "Оля");
people.put("Ф9", "Алексей");
people.put("Ф10", "Катя");
return people;
}
public static void removeTheFirstNameDuplicates(HashMap<String, String> map) {
ArrayList<String> arList = new ArrayList(map.values());
for (int i = 0; i < arList.size() - 1; i++) {
for (int j = i + 1; j < arList.size(); j++) {
if (arList.get(i).equals(arList.get(j))) {
removeItemFromMapByValue(map, arList.get(i));
}
}
}
}
public static void removeItemFromMapByValue(HashMap<String, String> map, String value) {
HashMap<String, String> copy = new HashMap<String, String>(map);
for (Map.Entry<String, String> pair : copy.entrySet()) {
if (pair.getValue().equals(value))
map.remove(pair.getKey());
}
}
public static void main(String[] args) {
HashMap<String, String> map = createMap();
removeTheFirstNameDuplicates(map);
}
}