Is @functionalinterface annotation mandatory to define a functional interface? What is the use of @functionalinterface annotation? Why do we need functional interfaces in java?
What is the @functionalinterface annotation?
Giving reasons explain two external responsibilities of a project manager.
Can a class in java be inherited from more than one class?
Define modularity?
What are the various types of constructors?
What is inheritance in java?
What is the super keyword?
What is diamond inheritance problem? How java 8 solves this problem?
Can you create an instance for an abstract class?
How will you define abstract classes?
Comment: C++ "includes" behavior and java "imports"
Explain about the design phase?