What is operator overloading. Is it is supported in java?
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What is a finally block? Is there a case when finally will not execute?
How do you reverse a string in java?
Explain when we should make an instance variable private.
what is difference between abstraction and interface?
What are the differences between heap and stack memory?
why java does not contain pointers?
Give any two differences between C++ and java.
What is boolean in java?
Is void a return type?
what is mena by object block any what is the use of that
Explain about object oriented programming and its features?
What is class and object in java?