Please show the way
package com.codegym.task.task08.task0817;
import java.util.HashMap;
import java.util.Map;
/*
We don't need repeats
*/
public class Solution {
public static HashMap<String, String> createMap() {
HashMap<String, String> names = new HashMap<>();
names.put("Majumdar","Joy");
names.put("Ghosh","Shreya");
names.put("Halder","Pritam");
names.put("Mondal","Abhisek");
names.put("Das","Anisha");
names.put("Parveen","Anisha");
names.put("Sran","Abhisek");
names.put("Roy","Aditya");
names.put("Royganguly","Pritam");
names.put("Maity","Shreya");
return names;
}
public static void removeFirstNameDuplicates(Map<String, String> map) {
HashMap<String, String> Copy = new HashMap<>(map);
for (Map.Entry<String, String> pair : Copy.entrySet()
) {
removeItemFromMapByValue(Copy, pair.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) throws Exception {
HashMap<String, String> Next = createMap();
removeFirstNameDuplicates(Next);
for (Map.Entry<String, String> show : Next.entrySet()
) {
System.out.println(show);
}
}
}