Get the enumeration from a Collection

Using Collections.enumeration method, we can get an enumeration over the specified collection.

 

Signature

public static <T> Enumeration<T> enumeration(final Collection<T> c)

Example

Enumeration<Integer> enumeration = Collections.enumeration(primesCollection);

Find the below working application.

 

EnumerationFromCollectionDemo.java

package com.sample.app.collections;

import java.util.Arrays;
import java.util.Collection;
import java.util.Collections;
import java.util.Enumeration;

public class EnumerationFromCollectionDemo {

	public static void main(String[] args) {
		Collection<Integer> primesCollection = Arrays.asList(2, 3, 5, 7, 11);

		Enumeration<Integer> enumeration = Collections.enumeration(primesCollection);
		while (enumeration.hasMoreElements()) {
			System.out.println(enumeration.nextElement());
		}
	}

}

Output

2
3
5
7
11

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