There will be an online test. Upon clearing that, you will be attending two to three face-to-face technical rounds.

I am sharing the questions that were asked to me.

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Can you find the fastest train from Bangalore to Chennai from a given list of trains?

Interviewer asked me to choose any approach (Hibernate/SQL).

Write an object to a file using serialization. Had to write the code.

Architecture of my application. 6) Lazy loading. 7) Which is the primary key in the below table?

1. How do you declare a composite key in Hibernate?

2. What is the difference between an interface and an abstract class (when do you use them)?

3. Which is a better approach (interface/abstract class)?

4. What design patterns do you know?

5. String literal pool:

String A = "R"; A = A + "P";

What happens to the string "R" (first initialization)?

1. Public JRE / Private JRE.

2. New features in 1.7 (only 1.7).

3. Concurrent package.

4. Difference between ReentrantLock and synchronized block.

5. Any issues in the project? How did you handle them?

6. How did you find which class had a memory issue?

7. Why the Map interface?

8. Sort an ArrayList of strings.

9. equals and hashCode?

10. Comparator's compare method does the comparison on what objects? (ob1 and ob2???)

11. Difference between session.get() and session.load().

12. Name the classes you have written in your project.

String A = "ORACLE Financial Services"; String B = "ORACLE"; Find B in String A.

1. Custom exception? Have you written any?

2. Can an abstract class be final?

3. Why / What / How multithreading?

How to run thread 1, thread 2, thread 3 one after the other.

Proxy Object in Hibernate?