JAVA interview questions – page 49

Can JavaBeans use DCOM as its network model?

How can call the Session bean in to the Action class in struts?

What is the difference between Struts 1.0 and Struts 1.1?

What's new with the stop(), suspend() and resume() methods in JDK 1.2?

Why cant we compare two objects with ==,why we should use only .equals() for objects.

How to track "memory leak" and how to prevent it in java?

What is meant by Session, Tell me something about HTTPSession Class?

Difference between Java, C++

Why should every class in java extend Object class?

How does serialization work

Scope Variables ?

Why are component architectures useful?

Why String is not a primitive data type

Is it possible to put a JBoss server instance into multiple cluster at the same time ?

What are the advantages of developing an n-tiered system?

What are the Normalization Rules. Define the Normalization?

What is the serializable class in java beans?

What is JBoss cache in short?

What is introspection properties in java beans?

What event results from the clicking of a button?

Please give me answer why we use Interface though it contain only blank implementation

What is the difference between transient variable,volatile variable

What are the other ways to prevent a class from being subclassed.one way is to declare the class final.does declaring a class private prevent it from being subclassed?

What significance of protected Constructors?

What is meant by flickering?

How to make application thread-safe ?

Is &&= a valid Java operator?

How to implement a bound property in your bean application?

Why pointers are not used in java

Does a class inherit the constructors of its superclass?