Round 1 : F2F:
Difference between polymorphism, abstraction, inheritance.
Inversion of control.
When do we use lambda exps. in java?
Detect a loop in linked list.
Given a sum, find 2 integer in the array adding upto that sum. in O(n)
Puzzle - Different denominations of money in 10 bags, Weigh only once problem.

Round 2 : F2F
Design backend API structure for a comment section. Example like facebook comment
Recursive program for factorial and sum of n numbers.

Question

Round 1 : F2F:
Difference between polymorphism, abstraction, inheritance.
Inversion of control.
When do we use lambda exps. in java?
Detect a loop in linked list.
Given a sum, find 2 integer in the array adding upto that sum. in O(n)
Puzzle - Different denominations of money in 10 bags, Weigh only once problem.

Round 2 : F2F
Design backend API structure for a comment section. Example like facebook comment
Recursive program for factorial and sum of n numbers.

Anonymous · Accepted Answer

Did all the programming part in the rounds. But messed up in theory.
Like in recursive, I could not answer when can that fail due to size issue. I failed to answer integer range in java. API design i made had some flaws.
All other theoretical questions in first round, I failed to answer.

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