Main.java Source code

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Here is the source code for Main.java

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//package com.java2s;
/*
 * Copyright 2002-2014 the original author or authors.
 *
 * 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;

import java.util.List;

public class Main {
    /**
     * Copy the given Collection into a String array.
     * The Collection must contain String elements only.
     * @param collection the Collection to copy
     * @return the String array ({@code null} if the passed-in
     * Collection was {@code null})
     */
    public static String[] toStringArray(Collection<String> collection) {
        if (collection == null) {
            return null;
        }
        return collection.toArray(new String[collection.size()]);
    }

    /**
     * Copy the given Enumeration into a String array.
     * The Enumeration must contain String elements only.
     * @param enumeration the Enumeration to copy
     * @return the String array ({@code null} if the passed-in
     * Enumeration was {@code null})
     */
    public static String[] toStringArray(Enumeration<String> enumeration) {
        if (enumeration == null) {
            return null;
        }
        List<String> list = Collections.list(enumeration);
        return list.toArray(new String[list.size()]);
    }
}