Best References for java

 Oracle Java SE Tutorial , is one of the best guide for Java, I have found on internet. And the best thing is you can download it. Just go to the mentioned homepage.

Following are some good books worth reading. 

Interview Questions

We have listed some of the common java interview questions. We will try to answer each one of them.

1. What is immutable object?
2. What are the usage of static keyword in java?
3. Abstract class or interface, how will you choose, with example?
4. Why multiple inheritance is not allowed in java?
5. What are unchecked exceptions?
6. Difference between notify() and notifyAll()? what will you prefer? [Multithreading] 
7. What are the types of nested classes in java?