Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
import java.util.*;

public class Main {
    /**
     * Returns the given list with the given element added at the end.
     * If it is an empty list, a new list is created. Otherwise, the given list is reused. 
     * This method is especially useful for dealing with immutable empty lists,
     * which are used to save memory.
     */
    public static <T> List<T> addOrNew(List<T> list, T element) {
        if (list.size() == 0)
            list = new ArrayList<T>(1);
        list.add(element);
        return list;
    }
}