Can an interface contain fields?
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Explain method overriding.
Write a program to show the inheritance used in a class.
Name the different creational patterns in object oriented design?
Why we use oops concepts? What is its advantage?
Explain about encapsulation?
What are the rules to define a functional interface?
What are the interfaces you used in beans?
Explain the concept of multiple inheritance (virtual inheritance). Write about its advantages and disadvantages?
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 meant by "method-wars"?
Difference between encapsulation and data hiding ?
Why does java not support multiple inheritance?