Write a JSP program to calculate sum of first and last digit of a given number. Display sum in Red Color with font size 18.

By
Number.html

<html>
<body>
<form method=get action="Number.jsp">
Enter Any Number : <Input type=text name=num><br><br>
<input type=submit value=Calculate>
</form>
</body>
</html>

Number.jsp

<html>
<body>
<%! int n,rem,r; %>
<% n=Integer.parseInt(request.getParameter("num"));
      if(n<10)
     {
       out.println("Sum of first and last digit is   ");
%><font size=18 color=red><%= n %></font>
<%
     }
    else
    {
      rem=n%10;
      do{
                 r=n%10;
                 n=n/10;
            }while(n>0);
         n=rem+r;
        out.println("Sum of first and last digit is    ");
%><font size=18 color=red><%= n %></font>
<%
     }
%>
</body>
</html>

Comments

  1. Unknown31 May 2017 at 05:36

    Thanks sir gives me solution

    ReplyDelete
  2. sarathkumar13 March 2026 at 22:36

    This post highlights the importance of system design for building efficient and scalable software applications. Learning how systems are designed and optimized is a great skill for developers. Anyone interested can explore Best System Design with Java Online Training in Hyderabad to gain hands-on knowledge of modern software architecture.

    ReplyDelete
  3. Harish24 March 2026 at 21:54

    This is a very informative article for Java learners. Strengthen your coding and Core Java fundamentals with Top Core JAVA Online Training in Hyderabad and gain practical industry experience.

    ReplyDelete

Post a Comment

Popular posts from this blog

Create a JSP page to accept a number from an user and display it in words: Example: 123 – One Two Three. The output should be in red color.

By
NumberWord.html <html> <body> <form method=get action="NumberWord.jsp"> Enter Any Number : <input type=text name=num><br><br> <input type=submit value="Display"> </form> <body> </html> NumberWord.jsp <html> <body> <font color=red> <%! int i,n;        String s1; %> <%   s1=request.getParameter("num");          n=s1.length();          i=0;          do          {            char ch=s1.charAt(i);            switch(ch)             {                 case '0': out.println("Zero...
Read more

Write a socket program in java for simple stand alone chatting application.

By
Client side Import java.io.*; Import java.net.*; public class Chatclient { Public static void main(String args[]) { Boolean b = true; try { Socket s1 = new Socket(“localhost”,40); DataInputStream in1 = new DataInputStream(s1.getInputStream()); DataInputStream out1 = new DataInputStream(s1.getOutputStream()); printStream pw = new printStream(out1); System.out.println(“Send Message”); While(b) { DataInputStream in = new DataInputStream(System.in); String str1 = in.readLine(); If(str1.equals(“quit”)) b=false; else { pw.println(str1); String str2 = in1.readLine(); System.out.println(str2); } } } catch(Exception e) { System.out.println(e); } } Server side Import java.io.*; Import java.net.*; public class Chatserver { Public static void main(String args[]) { Boolean b = true; try { ServerSocket s = new ServerSocket(40); ServerSocket s1 = s.accept(); DataInputStream in1 = new DataInputStream(s1.getInputStream()); DataOutputStream out1 = new DataOutputStream(s1.getOutputStream()); printSt...
Read more

Write a SERVLET application to accept username and password, search them into database, if found then display appropriate message on the browser otherwise display error message.

By
UserPass.html <html> <body> <form method=post action="http://localhost:4141/Program/servlet/UserPass"> User Name :<input type=text name=user><br><br> Password :<input type=text name=pass><br><br> <input type=submit value="Login"> </form> </body> </html> UserPass.java import java.io.*; import javax.servlet.*; import javax.servlet.http.*; import java.sql.*; public class UserPass extends HttpServlet {     public void doGet(HttpServletRequest request, HttpServletResponse response)         throws IOException, ServletException     {             PrintWriter out = response.getWriter();             try{                         String us=reques...
Read more