Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;

import java.util.List;
import java.util.Map;

public class Main {
    public static <Key> void removeFromMapThatKeyNotExistInList(Map<Key, ?> map, List<Key> list) {
        Object[] keys = map.keySet().toArray();
        for (Object key : keys) {
            if (!list.contains(key)) {
                map.remove(key);
            }
        }
    }
}