What does the “abstract” keyword mean in front of a method? A class?
Explain the abstract class modifier?
Explian following terms: Constraint Rules, Design by contract.
What is overriding?
What is the diffrence between an abstract class and interface?
What is the use of Operator Overloading?
Difference between abstraction and implementation hiding ?
What interface must an object implement before it can be written to a stream as an object?
What is Abstract method and how different from Virtual Method?
Why does java not support multiple inheritance?
What is abstract method?
Define modularity?
What are abstract functions? Why are they used?