Difference between composition and inheritance ?
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What if we make the method as abstract in another interface?
What is super keyword?
Explain what is single and multiple inheritance?
Why is java not fully objective oriented?
Why is planning too much up front a mistake in an OOSAD project?
Can we have a default method definition in the interface without specifying the keyword "default"?
How can we restrict inheritance for a class so that no class can be inherited from it?
Explain the term constructor
What is a final variable?
Why we use oops concepts? What is its advantage?
What are abstract functions? Why are they used?
Difference between class and an object?