Software Engineer C Interview Questions

5,485 software engineer c interview questions shared by candidates

basically it was technical interview, it's a 20 minutes, i was asked to give a self intro, explain oops concepts in detail(with example), asked me rate on java out 5 , i answered 4, then interview asked write a Fibonacci series using recursion, queations on collection framework (what is it, examples, difference between arraylist and arrays, what is hashmap explain about it and difference between stack and queue) , what is comparator and comparable, asked me explain and to go through file handling process and some SQL questions like what is different type keys, difference drop, truncate and delete .
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Gen C

Interviewed at Cognizant

3.4
Nov 25, 2025

basically it was technical interview, it's a 20 minutes, i was asked to give a self intro, explain oops concepts in detail(with example), asked me rate on java out 5 , i answered 4, then interview asked write a Fibonacci series using recursion, queations on collection framework (what is it, examples, difference between arraylist and arrays, what is hashmap explain about it and difference between stack and queue) , what is comparator and comparable, asked me explain and to go through file handling process and some SQL questions like what is different type keys, difference drop, truncate and delete .

The interview process was very structured and professional. It started with a brief phone screening with a recruiter, followed by a standard panel interview with the team. They asked basic situational and behavioral questions.
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C N A

Interviewed at Umbrella Corporation

4.3
May 31, 2026

The interview process was very structured and professional. It started with a brief phone screening with a recruiter, followed by a standard panel interview with the team. They asked basic situational and behavioral questions.

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