basic coding question.Was given a json and i had to write code to show the required output
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Overall IT knowledge and Python related questions such as.
What do you mean by polymorphism?
Both technical questions were on simple array manipulation in varying space complexities. Manager challenged me with a third question that they said isn't evaluated for the job.
Please go over you resume.
Round 2 questions were mainly based on fundamental concepts. Difference between interface and abstract classes, polymorphism- difference between overloading vs overriding, merge sort algorithm and explanation of why it runs in O(n logn), tree traversal (BFS,DFS), stack queue. There were also 2-3 algorithmic questions on design of basic algorithms and DS like checking if a singly link list has a loop and counting frequency of digits from a 16GB file of only numbers if you can only fetch 1GB into the RAM at a time (using appropriate data structures to address space complexity). Also, a few questions on hash maps because I kept using them too frequently in answers.
What is polymorphism ? Difference between interface and abstract class ?
They asked me to identify a LinkedList code.
Perform different string manipulations using data structures.
Basics of Object Oriented Programming
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