Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
/*
 * Copyright (c) 2005-2011 Grameen Foundation USA
 *  All rights reserved.
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
 *  implied. See the License for the specific language governing
 *  permissions and limitations under the License.
 *
 *  See also http://www.apache.org/licenses/LICENSE-2.0.html for an
 *  explanation of the license and how it is applied.
 */

import java.util.ArrayList;

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

public class Main {
    public static <K, V> void addKeyValue(Map<K, List<V>> multiMap, K key, V value) {
        if (key != null) {
            List<V> values;
            if (multiMap.containsKey(key)) {
                values = multiMap.get(key);
            } else {
                values = new ArrayList<V>();
                multiMap.put(key, values);
            }
            values.add(value);
        }
    }
}