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<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Insert title here</title>
</head>
<body>
<form action = "add" method = "post">
<div>
계산할 값을 입력하세요
</div>
<div>
<input type="text" name ="x">
<input type="text" name ="y">
<input type="submit" value="계산">
</div>
</form>
</body>
</html>package com.jhs.web;
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;
@WebServlet("/add")
public class add extends HttpServlet{
@Override
protected void service(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
PrintWriter out = resp.getWriter();
String x = req.getParameter("x");
String y = req.getParameter("y");
int result = Integer.parseInt(x) + Integer.parseInt(y);
out.println("결과 값은 : " + result);
}
}
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