Java Architect Interview Questions

What do you understand by Java Architecture? Have you earned any experience in java architecture?
Name the different tools and patterns available for java architecture? Why Java architecture is so important?
What is UML diagram? How can you interpret such diagrams? Why these are used in Java Architecture?
Discuss encapsulation and inheritance? How do inheritance and encapsulation effect on java Architecture?
Discuss use of different interfaces on architecture of Java? Give an example for each?
What is the difference between 2- tier, 3- tier and n- tier architecture?
How scalability, performance and high availability do contribute in java Architecture?
What is the difference between stastful and stateless session beans? How these two are different from each other?
What is EJB technology and container? What is the different benefit of Passivation in EJB?
Mention different benefits of bean pooling in EJB container?
Give any three differences between session and entity beans?
Explain synchronous and asynchronous messaging? How does synchronous and asynchronous messaging different from each other?