What are abstract methods?
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How many methods do u implement if implement the serializable interface?
What is the use if instanceof keyword? And how do refer to a current instance of object?
explain the difference between operator overloading and function overloading.
What is serialization? How do we implement serialization actually?
What is the difference between a virtual method and an abstract method?
What is static and dynamic Binding?
What are all the languages which support oop?
what is meant by "method-wars"?
what is virtual function and pure virtual function ?
Differentiate between Aggregation and containment?
Explain the mechanism of composition?
What's the main difference between arraylist / hashmap and vector / hashtable?