Some OS questions such as difference between a process and a thread, finding bottlenecks, followed by a series of general behavioral questions, why do you want to work here, etc
Developer Intern Interview Questions
5,296 developer intern interview questions shared by candidates
No technical questions. All behavioral.
What do you know about IBM? Why do you want to work for us? Tell me one thing that IBM has done recently that has impressed you. Why are you applying to this role? Why should we pick you?
there was no unexpected questions ask by the manager interviewed me.
None. HR asked some experience and introduced the job.
Project and nothing else than that.
OOP + Data structures + SQL
What is the time when you have some problems and how do you solve it?
Given an array of n positive integers, assuming 0-based indexing, its cost is the sum from i=1 to i=(len(arr) - 1) of (arr[i] - arr[i-1])^2. We want to find the minimum possible cost of the array after inserting exactly one element. For example, the cost of the array a = [1, 3, 5, 2, 10] before insertion is (1 - 3)^2 + (3 - 5)^2 + (5 - 2)^2 + (2 - 10)^2 = 81. After inserting 6 between 2 and 10, the cost of the array a is (1 - 3)^2 + (3 - 5)^2 + (5 - 2)^2 + (2 - 6)^2 + (6 - 10)^2 = 49. It can be proven that 49 is the minimum possible cost for the array a. Complete the function public static long getMinimumCost(List arr) to solve this problem.
- What is the difference between unit test and integration test? - Which technologies you applied in your past projects?
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