Java-Enumeration Archives

Last Updated: 13 February 2024

In Java, an enumeration, commonly known as Enum, is a special data type that allows us to define a fixed set of named values or constants. Enums provide a way to represent...read more

Java

Java Program to Convert Enum to String

Last Updated: 17 June 2021

Given an enum containing a group of constants, the task is to convert the enum to a String.Methods:We can solve this problem using two methods:Using name() MethodUsing toS...read more

Get Enumeration over Java HashSet

Last Updated: 03 March 2021

The HashSet class implements the Set interface, backed by a hash table which is a HashMap instance. There is no assurance as to the iteration order of the set, which impli...read more

How to Implement a Strategy Pattern using Enum in Java?

Last Updated: 12 September 2022

The strategy design pattern is intended to provide a way to choose from a variety of interchangeable strategies. Classic implementation includes an architecture to be impl...read more

Advantages and Disadvantages of using Enum as Singleton in Java

Last Updated: 22 February 2021

Enum Singletons are new ways of using Enum with only one instance to implement the Singleton pattern in Java. While there has been a Singleton pattern in Java for a long t...read more

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Java-Enumeration

Java Program to Access All the Constant Defined in the Enum

Last Updated: 22 February 2021

An enum is a special class that represents a group of constants. To create an enum, use the enum keyword (instead of class or interface), and separate the constants with a...read more

Java Program to Create ArrayList From Enumeration

Last Updated: 03 March 2024

Enumerations serve the purpose of representing a group of named constants in a programming language. Enums are used when we know all possible values at compile-time, such ...read more

Technical Scripter 2020

Difference Between ordinal() and compareTo() in Java Enum

Last Updated: 02 February 2021

Enumerations serve the purpose of representing a group of named constants in a programming language. If we want to represent a group named constant then we should go for E...read more

Java Program to Read Elements using Enumeration in Hashtable

Last Updated: 22 July 2021

The enumeration in java is one of the predefined interfaces, whose object is used for retrieving the data from collections framework variable(like Stack, Vector, HashTable...read more

Enumerate through a Vector using Java Enumeration

Last Updated: 07 January 2021

In the Java Enumeration class, all the listed constants are public, static, and final by default. Now after creating a Vector if we want to enumerate through the Vector th...read more

Technical Scripter 2020

Java Program to Define Ordinal() Method Using Enum Concept

Last Updated: 27 November 2020

Java enum, also called Java enumeration type, is a type whose fields consist of a fixed set of constants.The java.lang.Enum.ordinal() tells about the ordinal number(it is ...read more

Technical Scripter 2020

Enumeration Interface In Java

Last Updated: 15 December 2021

java.util.Enumeration interface is one of the predefined interfaces, whose object is used for retrieving the data from collections framework variable( like Stack, Vector, ...read more

Java

Java-Enumeration

Enumeration vs Iterator vs ListIterator in Java

Last Updated: 02 September 2020

Enumeration is an interface. It is used in the collection framework in java to retrieve the elements one by one. Enumeration is a legacy interface that is applicable only ...read more

How to implement an Interface using an Enum in Java

Last Updated: 21 June 2020

Enumerations serve the purpose of representing a group of named constants in a programming language. For example, the 4 suits in a deck of playing cards may be 4 enumerato...read more

Enumeration asIterator() Method in Java with Examples

Last Updated: 27 June 2019

An object that implements the Enumeration interface generates a series of elements, one at a time. The asIterator() method of Enumeration used to return an Iterator that t...read more