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Servlet Hello World Example using annotation.

ServletAnnotationExample.java

import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
 
/**
 * This servlet program is used to print "Hello World" on 
 * client browser using annotations.
 */
@WebServlet("/HelloWorld")	
public class ServletAnnotationExample extends HttpServlet {
    private static final long serialVersionUID = 1L;
 
   //no-argument constructor
    public ServletAnnotationExample() {
 
    }
 
    protected void doGet(HttpServletRequest request, 
	   HttpServletResponse response)
	              throws ServletException, IOException {
	response.setContentType("text/html"); 
    	PrintWriter out = response.getWriter();
 
    	out.print("<h1>Hello World example using annotations.</h1>");
 
    	out.close();
    }
}

Output:

servlet example 9
 
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