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I showed you how to create a batch file for compiling your servlet. The batch file that I provided includes these jar files on the classpath. This hasthe effect of making the following packages, among others, available to your compiler. This is a requirement for writing and compiling servlets and JSP.

  • javax.servlet
  • javax.servlet.http
  • javax.servlet.jsp

You should make certain that you can successfully compile, deploy, and access the sample servlet that I provided in Java4308 before continuing with this module.

Discussion and sample code

Before leaving this module, lets make absolutely certain that everything is working by creating, compiling, deploying, and accessing two servlets and one JSP.

Using what you learned in Java4308 , create compile and deploy the two servlets shown in Listing 1 and Listing 2 . Then create and deploy the JSP shown in Listing 3 .

Start your server and point your browser to http://localhost:8080/Inew2338_050 in order to see Figure 2 in your browser.

Figure 2 - Inew2338_050.java.

Missing Figure

Point your browser to http://localhost:8080/Inew2338_051 in order to see Figure 3 in your browser.

Figure 3 - Inew2338_051.java.

Missing Figure

Point your browser to http://localhost:8080/Inew2338_052.jsp in order to see Figure 4 in your browser.

Figure 4 - Inew2338_052.jsp.

Missing Figure

What's next?

If those tests were successful, your system is ready for you to move on to the next module and begin learning the programming details required to create Java servlets.

Miscellaneous

This section contains a variety of miscellaneous information.

Housekeeping material
  • Module name: Java4530: Getting Started with Servlets
  • File: Java4530.htm
  • Published: 12/19/13
  • Revised: 06/02/16
Disclaimers:

Financial : Although the Connexions site makes it possible for you to download a PDF file for thismodule at no charge, and also makes it possible for you to purchase a pre-printed version of the PDF file, you should beaware that some of the HTML elements in this module may not translate well into PDF.

I also want you to know that, I receive no financial compensation from the Connexions website even if you purchase the PDF version of the module.

In the past, unknown individuals have copied my modules from cnx.org, converted them to Kindle books, and placed them for sale on Amazon.com showing me as the author. Ineither receive compensation for those sales nor do I know who does receive compensation. If you purchase such a book, please beaware that it is a copy of a module that is freely available on cnx.org and that it was made and published without my prior knowledge.

Affiliation : I am a professor of Computer Information Technology at Austin Community College in Austin, TX.

Complete program listings

Listing 1 - Inew2338_050.java.
/*File Inew2338_050.java, Copyright 2004, R.G.BaldwinThe servlet produces the following text in the browser window in large red letters.Hello Big Red World ************************************************/import java.io.*; import javax.servlet.*;import javax.servlet.http.*; public class Inew2338_050 extends HttpServlet{public void doGet(HttpServletRequest req, HttpServletResponse res)throws ServletException, IOException{res.setContentType("text/html"); PrintWriter out = res.getWriter();out.println("<HTML>"); out.println("<HEAD><TITLE>Inew2338_050</TITLE></HEAD>"); out.println("<BODY>"); out.println("<h1 align=\"center\">" +"<font color=\"#FF0000\">"); out.println("Hello Big Red World");out.println("</font></h1>"); out.println("</BODY></HTML>"); }//end doGet()}//end class Inew2338_050
Listing 2 - Inew2338_051.java.
/*File Inew2338_051.java Copyright 2004, R.G.BaldwinThe servlet produces the following text in the browser window in large green letters.Hello Big Green World ************************************************/import java.io.*; import javax.servlet.*;import javax.servlet.http.*; public class Inew2338_051 extends HttpServlet{public void doGet(HttpServletRequest req, HttpServletResponse res)throws ServletException, IOException{res.setContentType("text/html"); PrintWriter out = res.getWriter();out.println("<HTML>"); out.println("<HEAD><TITLE>Inew2338_051</TITLE></HEAD>"); out.println("<BODY>"); out.println("<h1 align=\"center\">" +"<font color=\"#00FF00\">"); out.println("Hello Big Green World");out.println("</font></h1>"); out.println("</BODY></HTML>"); }//end doGet()}//end class Inew2338_051
Listing 3 - Inew2338_052.jsp.
<!--File Inew2338_052.jsp --><html><title>My title</title><body><H1>My JSP Page</H1><H2>Hello, JSP world!</H2><% for (int i=0; i<6; i++) { %><br><%= i %><% }//end for loop %><H3>Isn't this fun</H3></body></html>

-end-

Questions & Answers

if three forces F1.f2 .f3 act at a point on a Cartesian plane in the daigram .....so if the question says write down the x and y components ..... I really don't understand
Syamthanda Reply
hey , can you please explain oxidation reaction & redox ?
Boitumelo Reply
hey , can you please explain oxidation reaction and redox ?
Boitumelo
for grade 12 or grade 11?
Sibulele
the value of V1 and V2
Tumelo Reply
advantages of electrons in a circuit
Rethabile Reply
we're do you find electromagnetism past papers
Ntombifuthi
what a normal force
Tholulwazi Reply
it is the force or component of the force that the surface exert on an object incontact with it and which acts perpendicular to the surface
Sihle
what is physics?
Petrus Reply
what is the half reaction of Potassium and chlorine
Anna Reply
how to calculate coefficient of static friction
Lisa Reply
how to calculate static friction
Lisa
How to calculate a current
Tumelo
how to calculate the magnitude of horizontal component of the applied force
Mogano
How to calculate force
Monambi
a structure of a thermocouple used to measure inner temperature
Anna Reply
a fixed gas of a mass is held at standard pressure temperature of 15 degrees Celsius .Calculate the temperature of the gas in Celsius if the pressure is changed to 2×10 to the power 4
Amahle Reply
How is energy being used in bonding?
Raymond Reply
what is acceleration
Syamthanda Reply
a rate of change in velocity of an object whith respect to time
Khuthadzo
how can we find the moment of torque of a circular object
Kidist
Acceleration is a rate of change in velocity.
Justice
t =r×f
Khuthadzo
how to calculate tension by substitution
Precious Reply
hi
Shongi
hi
Leago
use fnet method. how many obects are being calculated ?
Khuthadzo
khuthadzo hii
Hulisani
how to calculate acceleration and tension force
Lungile Reply
you use Fnet equals ma , newtoms second law formula
Masego
please help me with vectors in two dimensions
Mulaudzi Reply
how to calculate normal force
Mulaudzi
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Source:  OpenStax, Object-oriented programming (oop) with java. OpenStax CNX. Jun 29, 2016 Download for free at https://legacy.cnx.org/content/col11441/1.201
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