Recent Interview Questions
AWT/Swing : What is a layout manager?

What is a layout manager?

A layout manager is an object that is used to organize components in a container
Category: AWT/Swing Date: 11/8/2010 1:28:07 AM
EJB : When to use a stateless session bean?

When to use a stateless session bean?

When the bean's state has no data for a specific client, and when in a single method invocation, the....
Category: EJB Date: 11/8/2010 1:07:01 AM
Core Java : What is the disadvantage of garbage collection?

What is the disadvantage of garbage collection?

It adds an overhead that can affect performance and there is no guarantee that the object will be ga....
Category: Core Java Date: 11/8/2010 12:56:51 AM
AWT/Swing : What are invisible components?

What are invisible components?

They are light weight components that perform no painting, but can take space in the GUI.
Category: AWT/Swing Date: 11/8/2010 12:23:05 AM
Core Java : What modifiers may be used with a top-level class?

What modifiers may be used with a top-level class?

A top-level class may be public, abstract, or final.
Category: Core Java Date: 11/8/2010 12:12:55 AM
Core Java : What is the Runtime class?

What is the Runtime class?

The Runtime class is a class which provide access to the Java runtime system
Category: Core Java Date: 11/7/2010 11:52:48 PM
Core Java : If a method is declared as protected, where may the method be accessed?

If a method is declared as protected, where may the method be accessed?

A protected method may only be accessed by classes or interfaces of the same package or by subclasse....
Category: Core Java Date: 11/7/2010 11:40:54 PM
JSP : What are the use of setMaxAge() and getMaxAge() in Cookies?

What are the use of setMaxAge() and getMaxAge() in Cookies?

setMaxAge : Sets the maximum age of the cookie. The cookie will expire after that many seconds have ....
Category: JSP Date: 11/7/2010 11:29:58 PM
Core Java : How are Observer and Observable used?

How are Observer and Observable used?

Objects that subclass the Observable class maintain a list of observers. When an Observable object i....
Category: Core Java Date: 11/7/2010 11:08:52 PM
JSP : What is the difference between an applet and a servlet?

What is the difference between an applet and a servlet?

Applets run inside web browsers and must have graphical user interfaces. Servlets run inside a web s....
Category: JSP Date: 11/7/2010 10:56:58 PM
Core Java : What is the constructor?

What is the constructor?

It is a method called when the runtime to create Objects of the class and initialize all the instanc....
Category: Core Java Date: 11/7/2010 10:46:46 PM
AWT/Swing : What is AWT?

What is AWT?

AWT (Abstract Window Toolkit) enables programmers to develop Java applications with GUI components, ....
Category: AWT/Swing Date: 11/7/2010 10:45:03 PM
EJB : What is the default transaction attribute in EJB?

What is the default transaction attribute in EJB?

The default transaction attribute is 'supports'
Category: EJB Date: 11/7/2010 10:45:02 PM
Core Java : What is polymorphism?

What is polymorphism?

It is that an object able to behave differently on different situations for the same message.
Category: Core Java Date: 11/7/2010 10:35:52 PM
JSP : What is the Servlet Interface?

What is the Servlet Interface?

It is the central abstraction in the Servlet API that All servlets implement it, and that is directl....
Category: JSP Date: 11/7/2010 10:23:56 PM
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