package com.codegym.task.task08.task0817;
import java.util.HashMap;
import java.util.*;
/*
We don't need repeats
*/
public class Solution {
public static HashMap<String, String> createMap() {
//write your code here
HashMap<String, String> map = new HashMap<>();
map.put("can","can");
map.put("casn","can");
map.put("van","dan");
map.put("seen","hen");
map.put("ice","ren");
map.put("gone","form");
map.put("tree","seen");
map.put("use","horse");
map.put("horse","gone");
map.put("cap","dont");
return map;
}
public static void removeFirstNameDuplicates(Map<String, String> map) {
//write your code here
HashMap<String, String> copy = new HashMap<String, String>(map);
for(Map.Entry<String, String> paar : copy.entrySet()){
removeItemFromMapByValue(map, paar.getValue());
}
}
public static void removeItemFromMapByValue(Map<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 names = createMap();
System.out.println(names);
removeFirstNameDuplicates(names);
System.out.println(names);
}
}