Java Collections enumeration() Method

The enumeration() is a method of Java Collections class which is used to get the enumeration over the specified collection.

Syntax

Following is the declaration of enumeration() method:

Parameter

Parameter	Description	Required/Optional
c	It is a collections for which enumeration is to be returned.	Required

Returns

The enumeration() method returns the enumeration over the specified collection.

Exceptions

Compatibility Version

Java 1.5 and above

Example 1

import java.util.*;
public class CollectionsEnumerationExample1 {
	public static void main(String[] args) {		
		Vector<String> Enum = new Vector<String>();       
            Enum.add("JAVA");
            Enum.add("JSP");
            Enum.add("SERVLET");
            Enum.add("C");
            Enum.add("PHP");
            Enum.add("PERL");
            //Create Enumeration
            Enumeration<String> en = Collections.enumeration(Enum);
            System.out.println("The Enumeration List are: ");
            while(en.hasMoreElements()){
                 System.out.println(en.nextElement());
            }	     
	}	  
}

Test it Now

Output:

The Enumeration List are: 
JAVA
JSP
SERVLET
C
PHP
PERL

Example 2

import java.util.*;
public class CollectionsEnumerationExample2 {
	public static void main(String[] args) {
		//Create array list object       
	      List<Integer> Enum = new ArrayList<Integer>();		      
            Enum.add(1100);
            Enum.add(2100);
            Enum.add(5100);
            //Create Enumeration
            Enumeration<Integer> en = Collections.enumeration(Enum);
            System.out.println("The Enumeration List are: ");
            while(en.hasMoreElements()){
                 System.out.println(en.nextElement());
            }	     
	}	  
}

Test it Now

Output:

The Enumeration List are: 
1100
2100
5100

Example 3

import java.util.*;
public class CollectionsEnumerationExample3 {
	@SuppressWarnings("unchecked")
	public static void main(String[] args) {
	    ArrayList firstList = new ArrayList();
	    firstList.add(101);
	    firstList.add("Hello");
	    firstList.add("World");
	    firstList.add(true);
	    firstList.add(101.5);	 
	    Enumeration<String> e = Collections.enumeration(firstList);	 
	    System.out.print("Elements using Enumeration: ");
	    while(e.hasMoreElements()) {
	          Object obj = e.nextElement();
	          System.out.print(obj + " ");
	          }
	    }	  
}	

Test it Now

Output:

Elements using Enumeration: 101 Hello World true 101.5

Next TopicJava Collections Class

← prev next →

For Videos Join Our Youtube Channel: Join Now

Feedback

Send your Feedback to [email protected]

Help Others, Please Share

Learn Latest Tutorials

Splunk

SPSS

Swagger

Transact-SQL

Tumblr

ReactJS

Regex

Reinforcement Learning

R Programming

RxJS

React Native

Python Design Patterns

Python Pillow

Python Turtle

Keras

Preparation

Aptitude

Reasoning

Verbal Ability

Interview Questions

Company Questions

Trending Technologies

Artificial Intelligence

AWS

Selenium

Cloud Computing

Hadoop

ReactJS

Data Science

Angular 7

Blockchain

Git

Machine Learning

DevOps

B.Tech / MCA

DBMS

Data Structures

DAA

Operating System

Computer Network

Compiler Design

Computer Organization

Discrete Mathematics

Ethical Hacking

Computer Graphics

Software Engineering

Web Technology

Cyber Security

Automata

C Programming

C++

Java

.Net

Python

Programs

Control System

Data Mining

Data Warehouse

^{Like/Subscribe us for latest updates or newsletter}

Java Tutorial

Control Statements

Java Object Class

Java Inheritance

Java Polymorphism

Java Abstraction

Java Encapsulation

Java Array

Java OOPs Misc

Java Collections enumeration() Method

Syntax

Parameter

Returns

Exceptions

Compatibility Version

Example 1

Example 2

Example 3

Feedback

Help Others, Please Share

Learn Latest Tutorials

Preparation

Trending Technologies

B.Tech / MCA