Creating a Stateless Session Bean

Business Interface

Create the bean interface and mark it either as @Remote, @Local or @WebService.

Remote Interface

import javax.ejb.Remote;

@Remote
public interface HelloWorld {
	String sayHello();
}

Local Interface

import javax.ejb.Local;

@Local
public interface HelloWorld {
	String sayHello();
}

Web service interface

import javax.jws.WebService;

@WebService
public interface HelloWorld {
	String sayHello();
}

Bean implementation class

Create a class which implements the business interface. Mark this class as stateless session bean using @Stateless annotation before the class signature.

import javax.ejb.Stateless;
@Stateless
public class HelloWorldBean implements HelloWorld {
    	public HelloWorldBean() {
	}

	public String sayHello() {
		return "Hello World !!!";
	}
}