How are observer and observable used in java programming?
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How big is a pointer?
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"); } }
What is an anonymous class?
How many types of operators are there?
What is casting?
What are the types of loops in Java, and how are they used?
How to call static method?
what are abstract functions?
How to perform merge sort in java?
Is empty set an element of empty set?
What is used of static keyword in java?
Differentiate between a class and an object.