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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.
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.
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.
Point your browser to http://localhost:8080/Inew2338_051 in order to see Figure 3 in your browser.
Figure 3 - Inew2338_051.java.
Point your browser to http://localhost:8080/Inew2338_052.jsp in order to see Figure 4 in your browser.
Figure 4 - Inew2338_052.jsp.
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.
This section contains a variety of miscellaneous information.
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.
| 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> |
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