Get Enumeration over Java HashSet Example
- /*
- Get Enumeration over Java HashSet Example
- This java example shows how to get Enumeration over Java HashSet using enumeration
- method of Collections class. This example also shows how to enumerate through
- elements of Java HashSet.
- */
- import java.util.Enumeration;
- import java.util.HashSet;
- import java.util.Collections;
- public class GetEnumerationOverHashSetExample {
- public static void main(String[] args) {
- //create a HashSet object
- HashSet hashSet = new HashSet();
- //Add elements to HashSet
- hashSet.add("A");
- hashSet.add("B");
- hashSet.add("D");
- hashSet.add("E");
- hashSet.add("F");
- /*
- Get Enumeration over Java HashSet object using,
- static Enumeration enumeration(Collection c) method of Collections class.
- This method returns the enumeration object over the specified Collection.
- */
- //get the Enumeration object
- Enumeration e = Collections.enumeration(hashSet);
- //enumerate through the HashSet elements
- System.out.println("Enumerating through Java HashSet");
- while(e.hasMoreElements())
- System.out.println(e.nextElement());
- }
- }
- /*
- Output would be
- Enumerating through Java HashSet
- A
- B
- D
- E
- F
- */



