Что не так?
package com.javarush.task.task08.task0817;
import java.lang.reflect.Array;
import java.util.*;
import static java.util.Collections.copy;
/*
Нам повторы не нужны
*/
public class Solution {
public static Map<String, String> createMap() {
Map<String,String> map = new HashMap<>();
map.put("Ив","Саша");
map.put("Пе","Петя");
map.put("Се","Ваня");
map.put("Ру","Петя");
map.put("Ту","Дима");
map.put("Ки","Костя");
map.put("Ме","Денис");
map.put("Ка","Петя");
map.put("Кр","Дима");
map.put("Бр","Даня");
return map;
}
public static void removeTheFirstNameDuplicates(Map<String, String> map) {
List<String> list = new ArrayList<>(map.values());
List<String> copylist = new ArrayList<>(map.values());
Iterator<String> it= list.iterator();
Iterator<String> itcop= copylist.iterator();
while (it.hasNext()){
String el1 = it.next();
int counter = 0;
while (itcop.hasNext()){
String el2 = itcop.next();
if (el1.equals(el2)) {
counter++;
}
}
if (counter>1)
removeItemFromMapByValue(map,el1);
}
}
public static void removeItemFromMapByValue(Map<String, String> map, String value) {
Map<String, String> copy = new HashMap<>(map);
for (Map.Entry<String, String> pair : copy.entrySet()) {
if (pair.getValue().equals(value)) {
map.remove(pair.getKey());
}
}
}
public static void main(String[] args) {
}
}