Created
July 23, 2014 00:51
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Basic Servlet that sums 2 integers
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<!DOCTYPE html> | |
<html> | |
<head> | |
<meta charset="ISO-8859-1"> | |
<title>Insert title here</title> | |
</head> | |
<body> | |
<form action="Servlet" method="post"> | |
<input name="Number1" /> | |
<input name="Number2" /> | |
<input type="submit" /> | |
</form> | |
</body> | |
</html> |
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package servletPackage; | |
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 Servlet | |
*/ | |
@WebServlet(description = "Description of Servlet", urlPatterns = { "/Servlet" }) | |
public class Servlet extends HttpServlet { | |
private static final long serialVersionUID = 1L; | |
/** | |
* @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response) | |
*/ | |
protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { | |
// TODO Auto-generated method stub | |
PrintWriter writer = response.getWriter(); | |
//Verifies that fields are filled | |
String Number1= request.getParameter("Number1"); | |
String Number2= request.getParameter("Number2"); | |
System.out.println("Running from Get"); | |
try { | |
int i= Integer.parseInt(Number1) + Integer.parseInt(Number2); | |
writer.println("The solution from Get is..." + i); | |
} catch (NumberFormatException e) { | |
writer.println("Idiot, you need to put 2 integer numbers."); | |
e.printStackTrace(); | |
} | |
} | |
/** | |
* @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response) | |
*/ | |
protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { | |
// TODO Auto-generated method stub | |
PrintWriter writer = response.getWriter(); | |
//Verifies that fields are filled | |
String Number1= request.getParameter("Number1"); | |
String Number2= request.getParameter("Number2"); | |
System.out.println("Running from Post"); | |
try { | |
int i= Integer.parseInt(Number1) + Integer.parseInt(Number2); | |
writer.println("The solution from Post is..." + i); | |
} catch (NumberFormatException e) { | |
writer.println("Idiot, you need to put 2 integer numbers."); | |
e.printStackTrace(); | |
} | |
} | |
} |
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