Un sencillo ejemplo de un servlet

PLAIN TEXT
JAVA:
  1. import javax.servlet.ServletException;
  2. import javax.servlet.http.HttpServlet;
  3. import javax.servlet.http.HttpServletRequest;
  4. import javax.servlet.http.HttpServletResponse;
  5. import java.io.IOException;
  6. import java.io.PrintWriter;
  7.  
  8. public class HelloWorldServlet extends HttpServlet{
  9.     protected void doGet(HttpServletRequest httpServletRequest,
  10.     HttpServletResponse httpServletResponse)
  11.         throws ServletException, IOException {
  12.  
  13.         httpServletResponse.setContentType("text/plain");
  14.         PrintWriter out = httpServletResponse.getWriter();
  15.         out.println("Hello World!");
  16.         out.close();
  17.     }
  18. }

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