Main.java Source code

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Here is the source code for Main.java

Source

//package com.java2s;
/*******************************************************************************
 * Copyright (c) 2010 BSI Business Systems Integration AG.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     BSI Business Systems Integration AG - initial API and implementation
 ******************************************************************************/

import java.util.ArrayList;

import java.util.Collection;

import java.util.List;

public class Main {
    public static <T, V extends T> List<T> appendList(List<T> list, V o) {
        if (list == null) {
            list = new ArrayList<T>();
        }
        list.add(o);
        return list;
    }

    public static <T, V extends T> List<T> appendList(List<T> list, int index, V o) {
        if (list == null) {
            list = new ArrayList<T>(1);
        }
        if (index > list.size()) {
            for (int i = list.size(); i < index; i++) {
                list.add(i, null);
            }
        }
        list.add(index, o);
        return list;
    }

    public static <T> int size(Collection<T> list) {
        if (list == null) {
            return 0;
        }
        return list.size();
    }
}