Jus

package com.multiplication.table;

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 MultiplicationTableServlet
 */
@WebServlet("/MultiplicationTableServlet")
public class MultiplicationTableServlet extends HttpServlet {
	private static final long serialVersionUID = 1L;

    /**
     * Default constructor.
     */
    public MultiplicationTableServlet() {
       super(); // TODO Auto-generated constructor stub
    }

	/**
	 * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)
	 */
	protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		// TODO Auto-generated method stub
		response.setContentType("text/html");
        PrintWriter out = response.getWriter();

        String title = "Multiplication Table";
        out.println("<html>");
        out.println("<head>");
        out.println("<title>" + title + "</title>");
        out.println("</head>");
        out.println("<body");
        out.println("<center>");


        try {
            int row = Integer.parseInt(request.getParameter("row"));

            if (row > 10) {
                out.println("<body><h1>Enter a number between 1 and 10!</h1></body>");

            } else if (row <= 10) {
                out.print("<table border=2 cellpadding=0 cellspacing=0 width=70%>");
                out.print("<tr>");
                out.print("<td></td>");

                for (int i = 1; i <= row; i++) {

                    out.print("<td>" + i + "</td>");
                }
                    out.print("</tr>");
                    for (int i = 1; i <= row; i++){
                        out.print("<tr><td>" + i + "</td>");
                    for (int j = 1; j <= row; j++) {

                        out.print("<td>" + i * j + "</td>");

                    }
out.print("</tr>");
                }
out.print("</table>");
            }
        } catch (NumberFormatException e) {
            out.println("<body><h1>Enter numbers only!</h1></body>");
        }

        out.println("</body>");
        out.println("</html>");
    }


	/**
	 * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
	 */
	protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		// TODO Auto-generated method stub
		doGet(request, response);
	}

}