Java 2 Enterprise Edition Bible by Justin Couch

By Justin Couch

Welcome to Java 2 firm variation Bible. This ebook, that's a persist with as much as Java 2 Bible, is for readers who desire to recognize extra in regards to the company industry. firm programming is a scorching subject nowadays, as progressively more businesses come to a decision they want a web presence to counterpoint their present bricks?and?mortar model. This on-line presence is greater than only a few websites it extends to an entire digital catalogue and buying procedure.

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Java 2 Enterprise Edition Bible

Welcome to Java 2 firm variation Bible. This ebook, that is a stick to as much as Java 2 Bible, is for readers who desire to comprehend extra in regards to the firm marketplace. firm programming is a sizzling subject nowadays, as increasingly more businesses make a decision they want an internet presence to enrich their present bricks?

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The first sets the MIME type of the response to that specified un the String parameter passed in as a String, and the second returns the PrintWriter used to send the output back to the client. println() statements contain the HTML to be sent back to the client. Although it looks as if you have complicated a simple HTML document, you have put yourself in a position to add a lot of functionality easily. Compiling, saving, and running the servlet You compile a servlet the same way you would any other Java source file.

You then need to save the class file where the servlet engine can see it. For Tomcat 4, create a new folder inside the webapps directory and name it J2EEBible. At this point the J2EEBible directory should contain a further subdirectory called WEB−INF. xml. class inside the classes directory. dtd"> You will modify this file in the next section. Note 30 Chapter 3: Creating Dynamic Content with Servlets Check out the webapps/examples directory for an idea of how the file structure should look.

Println(""); } } It really is that easy to access a Java library function. You simply import the appropriate package and call the constructor. Because you are writing Java code, you may have been tempted to use \n to generate the new line before the Date is output. If you do, you will not get a new line in the browser output. If this puzzles you, view the source. You'll see that there is an extra line in your HTML source code. This, however, wasn't your goal. You wanted to generate an extra line in the HTML output, not in the source.

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