HashSet Example in Java

Here is an example of Hashset data structure as a part of collection in Java that I wrote. The code is very short and easy to understand.

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Sample Program Output

Program Listing

HashSetExample.java

package hashsetexample;

import java.util.HashSet;

/**

 *

 * @author Mr. Jake R. Pomperada, MAED-IT

 * April 24, 2018  Tuesday

 */

public class HashSetExample {

       public static void main(String[] args) {

       System.out.println("Collections HashSet Example");

       System.out.println();

       System.out.println("Written By Mr. Jake R. Pomperada, MAED-IT");

       System.out.println();

       

       HashSet <Integer> sample = new HashSet<>();

      

       sample.add(10);

       sample.add(20);

       sample.add(30);

       sample.add(40);

       sample.add(50);

       sample.add(60);

       sample.add(70);

       sample.add(80);

       sample.add(90);

       sample.add(100);

       

       

       for (Integer obj:sample) {

            System.out.print(" "+ obj +"");

       }

       System.out.println("\n\n");

       System.out.println(" End of Program");

       System.out.println(); 

    }

}