Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
/*
 *  Copyright (c) Ludger Solbach. All rights reserved.
 *  The use and distribution terms for this software are covered by the
 *  Eclipse Public License 1.0 (http://opensource.org/licenses/eclipse-1.0.php)
 *  which can be found in the file license.txt at the root of this distribution.
 *  By using this software in any fashion, you are agreeing to be bound by
 *  the terms of this license.
 *  You must not remove this notice, or any other, from this software.
 */

import java.util.List;

public class Main {
    /**
     * Adds the content of the second list to the first list, but checks for each element if the element is not already there.
     * To be used as a Set replacement, if the order of inserts is relevant.
     * @param <T>
     * @param l1
     * @param l2
     * @return
     */
    public static <T> List<T> addAllUnique(List<T> l1, List<T> l2) {
        for (T element : l2) {
            if (!l1.contains(element)) {
                l1.add(element);
            }
        }
        return l1;
    }

    /**
     * Add the element to the list, if it is not already there.
     * To be used as a Set replacement, if the order of inserts is relevant.
     * @param <T>
     * @param l1
     * @param element
     * @return
     */
    public static <T> List<T> addAllUnique(List<T> l1, T element) {
        if (!l1.contains(element)) {
            l1.add(element);
        }
        return l1;
    }
}