How does java run on the machine?
Intern Software Engineer Interview Questions
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Overall IT knowledge and Python related questions such as.
What do you mean by polymorphism?
SQL queries two pointer question for a linked list
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.
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