迭代器作为枚举

/**from 时 代 J a v a - N o w J a v a . c o m**/

// Licensed to the Apache Software Foundation (ASF) under one

//package com.nowjava;

import java.util.Enumeration;

import java.util.Iterator;


public class Main {

    public static <T> Enumeration<T> iteratorAsEnumeration(

            final Iterator<T> it) {

        return new Enumeration<T>() {

            public boolean hasMoreElements() {

                return it.hasNext();

            }