HelloService.java

package services;

import java.io.IOException;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;


@WebServlet(name = "Hello", urlPatterns = {"/"})
public class HelloService extends HttpServlet {
	private static final long serialVersionUID = 1L;
       
  public HelloService() {
    super();
  }

	protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
	  response.setContentType("text/plain");
	  response.getOutputStream().println("Hello! Welcome to the server.");
	}

	protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		doGet(request, response);
	}
}