Что не так?
package com.javarush.task.task08.task0817;
import java.util.*;
/*
Нам повторы не нужны
*/
public class Solution {
public static Map<String, String> createMap() {
Map<String, String> map = new HashMap<>();
map.put("a","a");
map.put("a2","a");
map.put("a3","a");
map.put("a4","a");
map.put("a5","a3");
map.put("a6","a");
map.put("a7","a");
map.put("a8","aп");
map.put("a9","a");
map.put("a0","a");
return map;
}
public static void removeTheFirstNameDuplicates(Map<String, String> map) {
Set<String> setList = new HashSet<>(map.values());
Iterator<String> iterator = setList.iterator();
String text;
while (iterator.hasNext()){
text = iterator.next();
removeItemFromMapByValue(map,text);
}
}
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) {
}
}