Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;

import java.util.Collection;

import java.util.Enumeration;

import java.util.Iterator;

public class Main {
    /**
     * Adds all elements in the iteration to the given collection.
     * 
     * @param collection
     *            the collection to add to, must not be null
     * @param iterator
     *            the iterator of elements to add, must not be null
     * @throws NullPointerException
     *             if the collection or iterator is null
     */
    public static <E> void addAll(Collection<E> collection, Iterator<E> iterator) {
        if (collection == null || iterator == null) {
            return;
        }

        while (iterator.hasNext()) {
            collection.add(iterator.next());
        }
    }

    /**
     * Adds all elements in the enumeration to the given collection.
     * 
     * @param collection
     *            the collection to add to, must not be null
     * @param enumeration
     *            the enumeration of elements to add, must not be null
     * @throws NullPointerException
     *             if the collection or enumeration is null
     */
    public static <E> void addAll(Collection<E> collection, Enumeration<E> enumeration) {
        if (collection == null || enumeration == null) {
            return;
        }

        while (enumeration.hasMoreElements()) {
            collection.add(enumeration.nextElement());
        }
    }

    /**
     * Adds all elements in the array to the given collection.
     * 
     * @param collection
     *            the collection to add to, must not be null
     * @param elements
     *            the array of elements to add, must not be null
     * @throws NullPointerException
     *             if the collection or array is null
     */
    public static <E> void addAll(Collection<E> collection, E[] elements) {
        if (collection == null || elements == null) {
            return;
        }
        for (E e : elements) {
            collection.add(e);
        }
    }
}