Question

How to get enumeration over HashSet in Java

Answer 1

package javaapplication1;

import java.util.Collections;
import java.util.Enumeration;
import java.util.HashSet;

public class JavaApplication1 {

    public static void main(String[] args) {

        HashSet hashSet = new HashSet();
   
        hashSet.add("a");
        hashSet.add("b");
        hashSet.add("c");
        hashSet.add("d");
        hashSet.add("e");
        hashSet.add("f");
        hashSet.add("g");

        Enumeration e = Collections.enumeration(hashSet);

        while (e.hasMoreElements()) 
            System.out.println(e.nextElement());
  }
}
  
/*
run:

a
b
c
d
e
f
g

*/

 

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