Developing web services with JAX-WS

JAX-WS is a high-level API that simplifies the development of SOAP-based web services. JAX-WS stands for Java API for XML Web Services. Developing a web service via JAX-WS consists of writing a class with public methods to be exposed as web services. The class needs to be decorated with the @WebService annotation. All public methods in the class are automatically exposed as web services. They can optionally be decorated with the @WebService annotation. The following example illustrates this process:

package net.ensode.glassfishbook; 
 
import javax.jws.WebMethod; 
import javax.jws.WebService; 
 
@WebService 
public class Calculator { 
 
    @WebMethod 
    public int add(int first, int second) { 
        return first + second; 
    } 
 
    @WebMethod 
    public int subtract(int first, int second) { 
        return first - second; 
    } 
...