Here you can find the source of toEnumeration(final Collection
public static <T> Enumeration<T> toEnumeration(final Collection<T> collection)
//package com.java2s; /*/* ww w . jav a 2 s .co m*/ * Copyright (C) 2008 feilong * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ import java.util.Collection; import java.util.Collections; import java.util.Enumeration; public class Main { public static <T> Enumeration<T> toEnumeration(final Collection<T> collection) { return Collections.enumeration(collection); } }