How to make Servlet on IntelliJ

1. How to make Servlet?

1.1. Make Project on IntelliJ

“Java Enterprise” – “Wep Application” – Next – Done

1.2. Make package

Project – src – Right Click – New – Package

1.3. Make Servlet

Project – src – ‘package(you make 1.2.)’ – Right Click – Servlet
Set Name – ‘OK’

1.4. Set urlPatterns

The ‘urlPatterns’ value is not included by default. So you have to make it.

package com.waterhouse.sample;
 
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.io.PrintWriter;
 
@WebServlet(name = "HelloServlet", urlPatterns = {"URL Path(you can make more path like this -> )","/second_path"})
public class HelloServlet extends HttpServlet {
 
 
    protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        response.setContentType("text/html");
        PrintWriter out = response.getWriter();
        out.println("<h1>Hello jsp servlet!!!!!!!!!!!!");
        out.flush();
    }
}

line 16-19 is Print out to Browser.

2. Referense URL