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What is the difference between Session Bean and Entity Bean?

Differentiate between .ear, .jar and .war files.

What is the difference between the Boolean & operator and the && operator?

What is the purpose of finalization?

What is the difference between preemptive scheduling and time slicing?

Does garbage collection guarantee that a program will not run out of memory?

What are wrapped classes?

What is the difference between yielding and sleeping?

What are synchronized methods and synchronized statements?

What is synchronization and why is it important?

How are Observer and Observable used?

What is a transient variable?

What is native code?

What is the Java Virtual Machine?

What is the difference between Swing and AWT components?

Can you make an instance of an abstract class? For example - java.util.Calender is an abstract class with a method getInstance() which returns an instance of the Calender class.

What is meant by "Abstract Interface"?

In System.out.println(),what is System,out and println,pls explain?

Where and how can you use a private constructor.

What is the difference between final, finally and finalize?

Why Java does not support multiple inheritence ?

Can a private method of a superclass be declared within a subclass?

New Features in EJB 3.1

What do you understand by JSP Actions?

How you will handle exceptions in Struts?

What are difference between ActionErrors and ActionMessage?

What are the core classes of the Struts Framework?

What are Tag Libraries provided with Struts?

What are the components of Struts?

What is LookupDispatchAction?

What are the difference between <bean:message> and <bean:write>?

What is Struts Flow?

What are the disadvantages of Struts?

What is Struts actions and action mappings?

Can I setup Apache Struts to use multiple configuration files?

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