Un-Answered Questions { Core Java }

What is the difference between final, finally and finalize() in java?

512


What is an immutable object?

580


How do you identify if jvm is 32-bit or 64-bit from java program?

536


Explain the importance of throws keyword in java?

565


Explain why wait(), notify() and notifyall() methods are in object class rather than in the reading class?

557


What is the difference between @before and @beforeclass annotation?

530


What is the java reflection api? Why it’s so important to have?

550


What do you mean by platform independence? What is an interface?

563


What is the final access modifier in java?

611


Which one will take more memory: an int or integer?

767


What are the differences between forwarding () method and sendredirect() methods?

617


What is the difference between length and length() method in java?

639


What is a java applet? What is an interface?

630


What is a jit compiler?

632


What is the difference between a factory and abstract factory pattern?

681