public class Solution {
public static HashMap<String, String> createMap() {
HashMap<String, String> adressBook = new HashMap<String, String>();
adressBook.put("Sambalinski", "Johnny");
adressBook.put("Sambalinskis", "Nata");
adressBook.put("Depp","Johnny");
adressBook.put("Dikaprio", "Leonardo");
adressBook.put("Henks", "Tom");
adressBook.put("Sayfred", "Amanda");
adressBook.put("Dias", "Kemeron");
adressBook.put("Stone", "Sharon");
adressBook.put("Wild", "Olivia");
adressBook.put("Adams", "Emi");
return adressBook;
}
public static void removeTheFirstNameDuplicates(HashMap<String, String> map) {
HashMap<String, String> temp = new HashMap<>(map);
Iterator<Map.Entry<String, String>> iterator = temp.entrySet().iterator();
while (iterator.hasNext()) {
Map.Entry<String, String> pair = iterator.next();
removeItemFromMapByValue(map, pair.getValue());
}
}
public static void removeItemFromMapByValue(HashMap<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) {
}
}package com.javarush.task.task08.task0817;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;
/*
Нам повторы не нужны
*/
public class Solution {
public static HashMap<String, String> createMap() {
HashMap<String, String> adressBook = new HashMap<String, String>();
adressBook.put("Sambalinski", "Johnny");
adressBook.put("Sambalinskis", "Nata");
adressBook.put("Depp","Johnny");
adressBook.put("Dikaprio", "Leonardo");
adressBook.put("Henks", "Tom");
adressBook.put("Sayfred", "Amanda");
adressBook.put("Dias", "Kemeron");
adressBook.put("Stone", "Sharon");
adressBook.put("Wild", "Olivia");
adressBook.put("Adams", "Emi");
return adressBook;
}
public static void removeTheFirstNameDuplicates(HashMap<String, String> map) {
HashMap<String, String> temp = new HashMap<>(map);
Iterator<HashMap.Entry<String, String>> iter = temp.entrySet().iterator();
while (iter.hasNext()) {
HashMap.Entry<String, String> pair = iter.next();
removeItemFromMapByValue(map, pair.getValue());
}
}
public static void removeItemFromMapByValue(HashMap<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) {
}
}