What is volatile data type?
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When finally clause is executed?
Can the garbage collection be forced by any means?
Give me some null interfaces in java?
What are static initalizers in java ?
Can we use different return types for methods when overridden?
Convert Binary tree to linked list.
What is an abstract class?
What about interrupt() method of thread class ?
Can classes declared using the abstract keyword cab be instantiated?
Explain about varargs in java?
What is aggregation and composition ?
we know that every java prog must follows OOPS Principles. Anybody can answer, HOW THE FOLLOWING PROGRAM FOLLOWS OOPS CONCEPTS i.e, Inheritance,Polymarphism,Encapsulation? class a{ public static void main(String args[]){ System.out.println("Hello World"); } }