📄 helloservlet.java
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import javax.servlet.*;
import javax.servlet.http.*;
import java.io.*;
public class HelloServlet extends HttpServlet{
public void init(ServletConfig config) throws ServletException{
super.init(config);
//set self environment variable
}
public void service(HttpServletRequest req,HttpServletResponse resp)
throws IOException{
//set the Response Content Type
resp.setContentType("text/html");
//obtain a PrintWriter stream to write to.
PrintWriter out=resp.getWriter();
//print out our Text
out.println("<html><head><title>Hello World!</title></head>"+
"<body><h1>Hello World,Welcome you!</h1></body></html>");
}
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