JSP Basic Tutorials,JSP Basic Tutorials with Examples

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JSP Basic Tutorials

JSP Basic Tutorials,JSP Basic Tutorials with Examples

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A brief introduction of JSP?
The need for the server side scripting gradually began to give birth to the Java Server Pages(JSP).Microsoft introduced Active Server pages (ASP) to capture the market demand for server side scripting. Working on the similar line Sun Microsystems  released Java Server Pages.(JSP) to ad server side programming functionality to the java.

Java Server pages Introduction?
JSP is a technology which provides powerful and efficient creation of dynamic contents.

History of web pages
To understand the influence off JSP it is must to take a look at  the past approaches to creating web pages.Traditional web pages are static pages .they are unchangeable they will always remain the same.request from the multiple client for the same static page should all receives the same result.

What is common gate way interface?
Common GateWay Interface (CGI) is the solution of developing webpages. CGI allows request to be send to an external program..these external programs were return in any of the languages C,C++,perl.

Microsoft ASP alternative of CGI
Microsoft ASP (Active Server Pages) is the alternative to the CGI . It was developed by Microsoft. In ASP request  is executed on the server before it send to the client.

What is JSP?
Java Server Pages(JSP) is a technology provided by the Sun Microsystems . it was developed in competition  of ASP. ASP is the product of the Microsoft .both languages are developed to provide server side Scripting. As JSP is Sun MicroSystems product it is freely available on the internet. but ASP is not. On the other hand as JSP used java APis it is more secure  . it inherit all the features of the java. Like security ,plateform independent.,scalability,Extensibility etc.

what exactly is a JavaServer Page?
JSP is a simple HTML page which consists additional code that execute application logic to generate dynamic content.these logics are EJB, JDBC,  RMI objects.

First JSP program.
The first java server pages program to display hello.

JSP Architecture
JSP architecture consists two main components WebBrowser and WebServer. the communication is established between these two.

How to set up the JSP environment?
To run a JSP program it is must that JSP is installed on your system.And for that JDK is must  be there in the system.

What are JSP tags and how they used?
There are five types of tags used in JSP. Declaration tag ,Expression tag ,Directive tag,Scriplet tag ,Action tag.

Example of JSP using Tags
This example shows the use of JSP tags directive tags , Expression tags , Declarative tags action tags etc.

What are implicit objects?
Implicit objects are the objects provided by the JSP to the developer.JSP container provide these objects to the developers.

What are Scripting elements in JSP?
Scripting elements enables the coder to insert java code in to the servlets that will be generated from the current JSP page.

What are embedded control flow statements in JSP?
JSP use all important features of java and use all its powerful APIs and building blocks.

Write a program usinf loop statements in JSP?

What is the syntex of Comments in JSP?
JSP engine converts JSP comments into java comments in the source code of servlet that implement the JSP page.

What are the types of Directive tags in JSP?
JSP directive tags gives special information about the page.User can import the package ,define error handling errors using JSP.

Explain the page directive in brief what are its attributes?
Page directive tag used to established values to the attributes used in  JSP page.More than Page directive tag would be used in JSP page.

What are optional attributes for page directives?
Various optional attributes are available for JSP page directive.

What is include directive Tag?
If a programmer wants include the contents of one file to the other than include tag is used.

What is Tag Lib directive?
Tag Lib is the collection of custom tag .To customize action from tag file programmer can use tag lib.

What is Action tag in JSP?
Action tag transfer the control between the pages .It transfer the control from one page to the other particular  page.

What is JSP Request object ?
Request object in JSP is used to get values for the request that the client made to the  web server..

What are the methods of Request Object ?
There are various method for request object few of them are discussed below.