What does it mean that a method or class is abstract?
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What is the use of destructive method?
Differentiate between Aggregation and containment?
What is sealed modifiers?
Is is possible to define our own functional interface?
Explain the mechanism of composition?
What is the difference between class inheritance and interface inheritance?
explain dynamic binding
Comment: C++ "includes" behavior and java "imports"
What are a base class, subclass, and superclass?
Comment: C++ "includes" behavior and java "imports"
How does abstraction differ from encapsulation.
What is a default method? Why do we need default methods in java 8 interfaces?