Java FAQ
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Recently Added Questions:
In the java servlet life cycle, the first phase is called 'Creation and intialization'.
The java servlet container first creates the servlet instance and then executes the init() method. This initialization can be done in three ways. The default way is that, the java servlet is initialized when the servlet is called for the first time. This type of servlet initialization is called lazy loading....
forward
Control can be forward to resources available within the server from where the call is made. This transfer of control is done by the container internally and browser / client is not involved. This is the major difference between forward and sendRedirect. When the forward is done, the original request and response objects are transfered along with additional parameters if needed.
redire...
There is only one type of JSP comment available by JSP specification.
JSP Syntax:
<%-- comment --%>
This JSP comment tag tells the JSP container to ignore the comment part from compilation. That is, it is not considered for the content parsed for 'response'.
Example:
<%-- This JSP comment part will not be included in the response object --%>
Important Points:
<!-- com...
Static Variables or Class Variables
Java instance variables are given separate memory for storage. If there is a need for a variable to be common to all the objects of a single java class, then the static modifier should be used in the variable declaration.
Any java object that belongs to that class can modify its static variables.
Also, an instance is not a must to modify the static varia...
A static java inner class cannot have instances. A non-static java inner class can have instances that belong to the outer class....
Yes. A java private member cannot be inherited as it is available only to the declared java class. Since the private members cannot be inherited, there is no place for discussion on java runtime overloading or java overriding (polymorphism) features....
