Java web application, servlet의 이해

target runtime 선택

was- tomcat 버전 선택

-> java web appliction이 생성되었다

console-> tree /f 를 하게 되면 보이지 않는 파일들이 보이게 된다

이클립스는 다음과 같이 url 주소로 실행한다

url 주소

http://localhost:8080/{프로젝트이름}/{URL Mapping값}

package examples;
 
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;
 
/**
 * Servlet implementation class HelloServlet
 */
@WebServlet("/HelloServlet")
public class HelloServlet extends HttpServlet {
private static final long serialVersionUID = 1L;
       
    /**
     * @see HttpServlet#HttpServlet()
     */
    public HelloServlet() {
        super();
        // TODO Auto-generated constructor stub
    }
    
/**
  * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)
  */
protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
response.setContentType("text/html;charset=UTF-8");
PrintWriter out = response.getWriter();
out.println("<h1>Hello World</h1>");
}
 
}