Get Enumeration over Java ArrayList Example


/*
  Get Enumeration over Java ArrayList Example
  This java example shows how to get Enumeration over Java ArrayList using
  enumeration method of Collections class. This example also shows how to enumerate
  through elements of Java ArrayList.
*/

import java.util.Enumeration;
import java.util.ArrayList;
import java.util.Collections;

public class GetEnumerationOverArrayListExample {

 
public static void main(String[] args) {
   
//create an ArrayList object
   
ArrayList arrayList = new ArrayList();
   
   
//Add elements to ArrayList
   
arrayList.add("A");
    arrayList.add
("B");
    arrayList.add
("D");
    arrayList.add
("E");
    arrayList.add
("F");

   
/*
       Get Enumeration over Java ArrayList 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(arrayList);
   
   
//enumerate through the ArrayList elements
   
System.out.println("Enumerating through Java ArrayList");
   
while(e.hasMoreElements())
     
System.out.println(e.nextElement());
 
}
}

/*
Output would be
Enumerating through Java ArrayList
A
B
D
E
F
*/