입력된 두 수를 받아서 합을 계산한 후 출력하는 프로그램.

입력된 두 수를 받아서 합을 계산한 후 출력하는 프로그램

test.jsp

<form action=/adder> <input type=text name=NUM1> <input type=text name=NUM2> <input type=submit>

web.xml

 <web-app xmls="http://java.sun.com/xml/ns/javaee" version="2.5">

    <servlet>

        <servlet-name>adder</servlet-name>

        <servlet-class>adder</servlet-class>

    </servlet>

    <servlet-mapping>

        <servlet-name>adder</servlet-name>

        <url-pattern>/adder</url-pattern>

    </servlet-mapping>

 </web-app>

adder.java

import java.servlet.*;

import java.servlet.http.*;

import java.io.*;

public class adder extends HttpSerlvet{

    public void doGet(HttpServletRequest request, HttpServletResponse response) throws IOException, ServletException{

        String num1=request.getParameter("NUM1");

        String num2=request.getParameter("NUM2");

        int Num1=Integet.parseInt(num1);

        int Num2=Integet.parseInt(num2);

        PrintWriter out= response.getWriter();

        out.printf("%d + %d + %d",Num1,Num2,Num1+Num2);

    }

}