Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
import java.util.ArrayList;

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

public class Main {
    public static <K, V> void addToValueList(Map<K, List<V>> map, K key, V value) {
        List<V> valueList = map.get(key);
        if (valueList == null) {
            valueList = new ArrayList<V>();
            map.put(key, valueList);
        }
        valueList.add(value);
    }
}