The output is correct, what's wrong then?
package com.codegym.task.task08.task0817;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;
/*
We don't need repeats
*/
public class Solution {
public static HashMap<String, String> createMap() {
HashMap<String,String>mapOfNames = new HashMap<>();
mapOfNames.put("Chicka","Monica");
mapOfNames.put("Chicka1","Monica2");
mapOfNames.put("Chicka2","Monica");
mapOfNames.put("Chicka3","Monica");
mapOfNames.put("Chicka4","fffff");
mapOfNames.put("Chicka5","Monica");
mapOfNames.put("Chicka6","Monica");
mapOfNames.put("Chicka7","Monica");
mapOfNames.put("Chicka8","fffff");
mapOfNames.put("Chicka9","Monica2");
//removeFirstNameDuplicates(mapOfNames);
return mapOfNames;
}
public static void removeFirstNameDuplicates(Map<String, String> map) {
HashMap<String,String> copy = new HashMap<>(map);
for(Map.Entry<String,String> entry:copy.entrySet())
{
removeItemFromMapByValue(map,entry.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());
// System.out.println(map);
}
//System.out.println(map);
}
public static void main(String[] args) {
removeFirstNameDuplicates(createMap());
}
}