Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
/*
 * Xapp (pronounced Zap!), A automatic gui tool for Java.
 * Copyright (C) 2009 David Webber. All Rights Reserved.
 *
 * The contents of this file may be used under the terms of the GNU Lesser
 * General Public License Version 2.1 or later.
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 */

import java.util.*;

public class Main {
    public static <T> T previous(List<T> items, T t) {
        int i = items.indexOf(t);
        return i != -1 ? items.get((i + items.size() - 1) % items.size()) : null;
    }
}