Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
/*
 *  Copyright 2011 Eric F. Savage, code@efsavage.com
 *
 *   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.Collection;

public class Main {
    /**
     * Returns the size of a collection, or zero if the collection is null.
     * 
     * @param collection
     *            The collection to inspect, may be null.
     * @return The size of the collection, zero if the collection is null.
     */
    public static int safeSize(final Collection<?> collection) {
        if (collection == null) {
            return 0;
        }
        return collection.size();
    }
}