A JSP page, include.jsp, has a instance variable "int a", now this page is statically included in another JSP page, index.jsp, w

Home > JSP

Q

A JSP page, include.jsp, has a instance variable "int a", now this page is statically included in another JSP page, index.jsp, which has a instance variable "int a" declared. What happens when the index.jsp page is requested by the client?

✍: Guest

A

Compilation error, as two variables with same name can't be declared. This happens because, when a page is included statically, entire code of included page becomes part of the new page. at this time there are two declarations of variable 'a'. Hence compilation error.

2013-08-16, 2650👍, 0💬

Can you override jspInit() method? If yes, In which cases?
Can you override jspInit() method? If yes, In which cases? ye, we can. We do it usually when we need to intialize any members which are to be available for a servlet/JSP throughout its lifetime. 2013-08-16, 2719👍, 0💬

Why is _jspService() method starting with an '_' while other life cycle methods do not?
Why is _jspService() method starting with an '_' while other life cycle methods do not? _jspService() method will be written by the container hence any methods which are not to be overridden by the end user are typically written starting with an '_'. This is the reason why we don't override _jspServ... 2013-08-14, 2716👍, 0💬

A JSP page, include.jsp, has a instance variable "int a", now this page is statically included in another JSP page, index.jsp, w
A JSP page, include.jsp, has a instance variable "int a", now this page is statically included in another JSP page, index.jsp, which has a instance variable "int a" declared. What happens when the index.jsp page is requested by the client? Compilation error, as two variables with same name can't be ... 2013-08-16, 2651👍, 0💬

Can we override the jspInit(), _jspService() and jspDestroy() methods?
Can we override the jspInit(), _jspService() and jspDestroy() methods? We can override jspinit() and jspDestroy() methods but not _jspService(). 2013-08-14, 2546👍, 0💬

How can my application get to know when a HttpSession is removed?
How can my application get to know when a HttpSession is removed? Define a Class HttpSessionNotifier which implements HttpSessionBindingListener and implement the functionality what you need in valueUnbound() method. Create an instance of that class and put that instance in HttpSession. 2013-08-20, 2530👍, 0💬

What is the difference between directive include and jsp include?
What is the difference between directive include and jsp include? <%@ include> : Used to include static resources during translation time. : Used to include dynamic content or static content during runtime. 2013-08-19, 2507👍, 0💬

Explain the life cycle of JSP?
Explain the life cycle of JSP? Any JSP page goes through 7 phases in its entire lifecycle Phase Name Description Page translation The page is parsed and a Java file containing the corresponding servlet is created. Page compilation The Java file is compiled. Load class The compiled class is loaded. C... 2013-08-15, 2502👍, 0💬

How does JSP handle runtime exceptions?
How does JSP handle runtime exceptions? Using errorPage attribute of page directive and also we need to specify isErrorPage=true if the current page is intended to URL redirecting of a JSP. 2013-08-20, 2444👍, 0💬

What happens when a page is statically included in another JSP page?
What happens when a page is statically included in another JSP page? An include directive tells the JSP engine to include the contents of another file (HTML, JSP, etc.) in the current page. This process of including a file is also called as static include. 2013-08-15, 2352👍, 0💬

All rights in the contents of this web site are reserved by the individual author. fyicenter.com does not guarantee the truthfulness, accuracy, or reliability of any contents.