Main.java Source code

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Here is the source code for Main.java

Source

//package com.java2s;
/**
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * Copyright (c) 2006 Sun Microsystems Inc. All Rights Reserved
 *
 * The contents of this file are subject to the terms
 * of the Common Development and Distribution License
 * (the License). You may not use this file except in
 * compliance with the License.
 *
 * You can obtain a copy of the License at
 * https://opensso.dev.java.net/public/CDDLv1.0.html or
 * opensso/legal/CDDLv1.0.txt
 * See the License for the specific language governing
 * permission and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL
 * Header Notice in each file and include the License file
 * at opensso/legal/CDDLv1.0.txt.
 * If applicable, add the following below the CDDL Header,
 * with the fields enclosed by brackets [] replaced by
 * your own identifying information:
 * "Portions Copyrighted [year] [name of copyright owner]"
 *
 * $Id: CollectionUtils.java,v 1.2 2008/06/25 05:53:05 qcheng Exp $
 *
 */

import java.util.HashMap;
import java.util.HashSet;
import java.util.Map;
import java.util.Set;

public class Main {
    /**
     * Returns a cloned Map of String to Set of String.
     *
     * @param map Map to be cloned.
     * @return cloned map.
     */
    public static Map<String, Set<String>> cloneMap(Map<String, Set<String>> map) {
        Map<String, Set<String>> clone = new HashMap<String, Set<String>>();
        for (String key : map.keySet()) {
            Set<String> set = new HashSet<String>();
            Set<String> orig = (Set<String>) map.get(key);
            set.addAll(orig);
            clone.put(key, set);
        }
        return clone;
    }
}