Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
/*
 * Copyright 2012, Mysema Ltd
 *
 * 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.
 */

import java.util.Map;

import com.google.common.collect.ImmutableMap;

import com.google.common.collect.Maps;

public class Main {
    public static <K, V> Map<K, V> put(Map<K, V> map, K key, V value) {
        final int size = map.size();
        if (size == 0) {
            return ImmutableMap.of(key, value);
        } else if (map instanceof ImmutableMap) {
            map = Maps.newHashMap(map);
        }
        map.put(key, value);
        return map;
    }
}