Java Map Print printKeys(Map m)

Description

Print the keys in a HashMap.

License

Apache License

Parameter

Parameter	Description
m	The map to use.

Declaration

public static void printKeys(Map<? extends Object, ? extends Object> m) 

Method Source Code

//package com.java2s;
/*/*from www.jav  a  2s.com*/
 * Copyright [1999-2015] Wellcome Trust Sanger Institute and the EMBL-European Bioinformatics Institute
 * Copyright [2016-2018] EMBL-European Bioinformatics Institute
 * 
 * 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.Map;

public class Main {
    /**
     * Print the keys in a HashMap.
     * 
     * @param m
     *            The map to use.
     */
    public static void printKeys(Map<? extends Object, ? extends Object> m) {
        for (Object s : m.keySet()) {
            System.out.println(s);
        }
    }
}

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5. printItems(HashMap map)
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7. printMap(HashMap map)
8. printMap(Map map)
9. printMap(Map mp)