Round1.asked javascript core concepts like closures,event loop and ES6 features and one js question flatten array. Round 2.React Hooks, optimisation techniques in react and one machine coding question create a timer to show time. Round 3.General hr question like relocation stipend
1. which one do you prefer, backend or frontend?
- Main Java concepts: encapsulation, abstraction, inheritance and polymorphism; - Procedural vs. Object-oriented programming; - debugging definition; - exception handling.
What is the output of the code given? (Java)
Stack vs Queue, give the difference and use cases.
What is singleton class in Java and how can we make a class singleton?
How do you respond to negative feedback
Some behavioural questions: - What does Optiver do? Why did you apply to Optiver? - Name a time you had a disagreement and how you resolved it. - What was a time you were the proudest of? - What was a time you were the most disappointed in yourself? - Name a time a group situation didn't work out as you had hoped. - What would you change about [situation] looking back?
Knowledge quiz included scheduling algorithms, computer networking, operating systems knowledge and some basic data structures and algorithm qn. They are mcq questions.
What are lambda functions in python?
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