Android & Java Blog

Recent Articles

• Difference between _jspService() and other life cycle methods.

  JSP contains three life cycle methods namely jspInit( ), _jspService() and jspDestroy(). In these, jspInit() and jspDestroy() can be overrid ...

  May 5th, 2008

• JSP Life Cycle – explain.

  JSP’s life cycle can be grouped into following phases. 1. JSP Page Translation: A java servlet file is generated from the JSP source f ...

  May 5th, 2008

• When does the finally clause in java exception block never executes?

  The finally clause in the try-catch exeception block always executes, irrespective of the occurence of exeception. This is applicable for th ...

  May 4th, 2008

• Java Pass By Value and Pass By Reference

  Java uses pass by value. There is no pass by reference in Java. This Java tutorial is to walk you through the difference between pass by val ...

  April 29th, 2008

• Difference Between Interface and Abstract Class

  Main difference is methods of a Java interface are implicitly abstract and cannot have implementations. A Java abstract class can have insta ...

  April 23rd, 2008

• When can an object reference be cast to a Java interface reference?

  When a Java object implements the referenced interface it can be cast to the Java interface reference. ...

  April 23rd, 2008

• Java interface

  A java class containing all the methods as abstract is called an interface. A method that has no implementation and which is expected to be ...

  April 23rd, 2008

• What is a filter?

  A filter is used to dynamically intercept request and response objects and change or use the data present in them. Filters should be configu ...

  April 19th, 2008