Class declaration with one method in Java

A class declaration can contain a single method. A program that demonstrates this is given as follows:

Example

 Live Demo

class Message {    public void messagePrint() {       System.out.println("This is a class with a single method");    } } public class Demo {    public static void main(String args[]) {       Message m = new Message();       m.messagePrint();    } }

Output

This is a class with a single method

Now let us understand the above program.

The Message class is created with a single member function messagePrint(). A code snippet which demonstrates this is as follows −

class Message {    public void messagePrint() {       System.out.println("This is a class with a single method");    } }

In the main() method, an object m of class Message is created. Then messagePrint() method is called. A code snippet which demonstrates this is as follows −

public class Demo {    public static void main(String args[]) {       Message m = new Message();       m.messagePrint();    } }