How do I make sure that an object is released in code such as a connection or file object?
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What is the benefit of using inheritance?
Is is possible to define our own functional interface?
Differentiate between Aggregation and containment?
Differentiate between data abstraction and encapsulation.
What is an interface?
What is an abstraction?
Can we use static method definitions in interfaces?
How many instances can be created for an abstract class?
A class inherits from 2 interfaces and both the interfaces have the same method name as shown below. How should the class implement the drive method for both car and bus interface?
Explain what is single and multiple inheritance?
How a program can be structured using the concept of object oriented programming?
What are the types of polymorphism?