package com.codegym.task.task08.task0817;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;
import java.util.Map.Entry;
import java.util.HashSet;
import java.util.Set;
/*
We don't need repeats
*/
public class Solution {
public static HashMap<String, String> createMap() {
//write your code here
HashMap<String, String> map = new HashMap<String, String>();
map.put("Joshi","Shreyas");
map.put("Shah","Sujata");
map.put("Gala","Anjali");
map.put("Ahmed","Sana");
map.put("Maheshwari","Uday");
map.put("Sharma","Uday");
map.put("Verma","Haresh");
map.put("Garival","Omkar");
map.put("Kapur","Sanjiv");
map.put("Pandya","Laxmi");
return map;
}
public static void removeFirstNameDuplicates(Map<String, String > map) {
//write your code here
Set<String> keys = map.keySet(); // The set of keys in the map.
Iterator<String> keyIter = keys.iterator();
while (keyIter.hasNext()) {
String key = keyIter.next();
String value1 = map.get(key);
//System.out.println(key + "\t" + value1);
String nextValue = map.get(key);
if (!value1.equals(nextValue)) {
map.remove(key);}
else{
removeItemFromMapByValue(map, value1);
}
}
}
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) {
}
}