Java Interview Questions

The time spent in industry that much deeper knowledge you needed.
Here are Some Important questions you must go through.
Every Question is simple But Explanation is Important.

The List of Questions:

Core Java:

1. Explain OOP Concept?
2. String In java, Difference Between "new String" & "String Literal"?
3. What is Interface?
4. Difference Between Abstract Class & Interface in Java?
5. Explain Encapsulation (Mostly Ask If Not Ask First question).
6. What Is Marker Interface?
7. Thread In Java(with Extending Thread & Implement With Runnable Interface)
8. What Is transient & volatile?
9. What Is Serialization in Java?
10. Explain How HashMap work?
11. What Is Set?
12. Difference In HashMap & HashTable?
13. Synchronization In Java?
14. Can we Have class Inside an Interface?
15. What Is Inner Class ?
16. Static,final?(Class Variable, Instance variable)

Advanced Java:

1. Explain Life Cycle Of Servlet & Jsp?
2. What is Request Dispatcher?
3. what is Send-redirect?
4. Implicit object In Jsp?
5. Difference Between Page & Page Context?
6. How Servlet Life Cycle work If there are 100 Requests? 

Hibernate:

1. What is OR mapping?
2. What is transient, presistent & detach?
3. Hibernate Cache?
4. Can we use Collection Framework In Hibernate?
5.  where Is mapping Of Table & Pojo?
6. What Is Pojo?

There are so many but ...
I will Update ...

If you Found any mail me
kalpeshpchaudhari@gmail.com