Name some OOPS Concepts in Java?
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What is runtime polymorphism or dynamic method dispatch?
Why volatile is used in java?
wht is mean by dirty read?
Can a double value be cast to a byte?
Why does abstract class have constructor?
What is an object’s lock and which object’s have locks?
How to create an interface?
What is constructor and virtual function? Can we call a virtual function in a constructor?
What are the kinds of polymorphism?
How could Java classes direct program messages to the system console, but error messages, say to a file?
What is a class instance variable?
Java violates few objected oriented concepts. Can you explain in what way?