Data Structure
Networking
RDBMS
Operating System
Java
MS Excel
iOS
HTML
CSS
Android
Python
C Programming
C++
C#
MongoDB
MySQL
Javascript
PHP
Physics
Chemistry
Biology
Mathematics
English
Economics
Psychology
Social Studies
Fashion Studies
Legal Studies
- Selected Reading
- UPSC IAS Exams Notes
- Developer's Best Practices
- Questions and Answers
- Effective Resume Writing
- HR Interview Questions
- Computer Glossary
- Who is Who
Can we define an enum inside a class in Java?
Enumerations in Java represents a group of named constants, you can create an enumeration using the following syntax
enum Days {
SUNDAY, MONDAY, TUESDAY, WEDNESDAY, THURSDAY, FRIDAY, SATURDAY
}Yes, we can define an enumeration inside a class. You can retrieve the values in an enumeration using the values() method.
Example
public class EnumerationExample {
enum Enum {
Mango, Banana, Orange, Grapes, Thursday, Apple
}
public static void main(String args[]) {
Enum constants[] = Enum.values();
System.out.println("Value of constants: ");
for(Enum d: constants) {
System.out.println(d);
}
}
}Output
Value of constants: Mango Banana Orange Grapes Thursday Apple
Example
enum Vehicles {
//Declaring the constants of the enum
ACTIVA125, ACTIVA5G, ACCESS125, VESPA, TVSJUPITER;
int i; //Instance variable
Vehicles() { //constructor
}
public void enumMethod() { //method
System.out.println("Current value: "+Vehicles.this);
}
}
public class Sam{
public static void main(String args[]) {
Vehicles vehicles[] = Vehicles.values();
for(Vehicles veh: vehicles) {
System.out.println(veh);
}
vehicles[3].enumMethod();
}
}Output
ACTIVA125 ACTIVA5G ACCESS125 VESPA TVSJUPITER Current value: VESPA
Updated on: 08-Feb-2021
13K+ Views
Advertisements