What is ByteBuffer in Java?

What are Finalize, Finally, and final keywords in Java?

Check if Tree is BST. Multiple approaches to this problem.

In JavaScript round questions related to Prototypal Inheritance, this keyword with various sample programs and expected output. Event listeners in JavaScript, how do they work. AJAX request in JavaScript.

Design Round: A parking lot with multiple entries and exit points. 2 constraints: When the Vehicle enters, it should be directed to the closest empty slot. When the Vehicle exits, it should be directed towards the closest exit points. Feature enhancements like Price generator, Dynamic Pricing, etc. Detailed discussion on API spec design, db design, and Data structures suitable.