public class Solution {
public static HashMap<String, String> createMap() {
HashMap<String, String> q = new HashMap<>();
for(int i = 0; i < 10; i++ )
q.put("fam" + i, "" + i);
return q;
}
public static void removeTheFirstNameDuplicates(Map<String, String> map) {
HashMap<String, String> copy = new HashMap<>(map);
ArrayList<String> del = new ArrayList<>();
Iterator<Map.Entry<String, String>> iterator = map.entrySet().iterator();
for (Map.Entry<String, String> pair : map.entrySet()){
String val = pair.getValue();
for (Map.Entry<String, String> t : copy.entrySet()){
String val2 = t.getValue();
if(val2.equals(val))
del.add(val);
}
}
for(int i = 0; i < del.size(); i++){
removeItemFromMapByValue(map, del.get(i));
}
}
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<String, String> q = createMap();
for (Map.Entry<String, String> t : q.entrySet()){
String y = t.getValue();
System.out.println(y);
}
}
}
package com.javarush.task.task08.task0817;
import java.util.*;
/*
Нам повторы не нужны
*/
public class Solution {
public static HashMap<String, String> createMap() {
HashMap<String, String> q = new HashMap<>();
for(int i = 0; i < 10; i++ )
q.put("fam" + i, "" + i);
return q;
}
public static void removeTheFirstNameDuplicates(Map<String, String> map) {
HashMap<String, String> copy = new HashMap<>(map);
ArrayList<String> del = new ArrayList<>();
Iterator<Map.Entry<String, String>> iterator = map.entrySet().iterator();
for (Map.Entry<String, String> pair : map.entrySet()){
String val = pair.getValue();
for (Map.Entry<String, String> t : copy.entrySet()){
String val2 = t.getValue();
if(val2.equals(val))
del.add(val);
}
}
for(int i = 0; i < del.size(); i++){
removeItemFromMapByValue(map, del.get(i));
}
}
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) {
}
}