Your question is End-to-End Automation Topics. Take a moment with it on the right.
Talk me through your thinking if you like. When you're confident, submit your answer and I'll grade it like a real screen (7/10 or better passes).
Explain how you would cover Selenium, TestNG, Java OOPs, string programs, inheritance, Cucumber BDD, data-driven testing with Excel, and handling multiple windows or frames.