Get Enumeration over Java HashSet : HashSet « Collections Data Structure « Java

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Java » Collections Data Structure » HashSet

Get Enumeration over Java HashSet


   



import java.util.Collections;

import java.util.Enumeration;

import java.util.HashSet;



public class Main {

  public static void main(String[] args) {

    HashSet<String> hashSet = new HashSet<String>();



    hashSet.add("A");

    hashSet.add("B");

    hashSet.add("D");

    hashSet.add("E");

    hashSet.add("F");



    Enumeration e = Collections.enumeration(hashSet);

    while (e.hasMoreElements())

      System.out.println(e.nextElement());

  }

}

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23.	A memory-efficient hash set.

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