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Developer C Interview Questions

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5,469 developer c interview questions shared by candidates

1. Explain relation between thread and process. 2. What is Singleton design pattern 3. What are smart pointers 4. Difference between public,private,protected members 5. What are casting operators 6. Convert 100 to decimal 7. What is recursion 8. Benefits of weak pointers over shared pointers 9. I was asked to write a program which will take input of an expression and sort misplaced and overused parenthesis and return sentence with sorted parenthesis, e.g. input - ))(({}{ output - {(())}
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C++ Developer

Interviewed at Barclays

4★
Aug 6, 2020

1. Explain relation between thread and process. 2. What is Singleton design pattern 3. What are smart pointers 4. Difference between public,private,protected members 5. What are casting operators 6. Convert 100 to decimal 7. What is recursion 8. Benefits of weak pointers over shared pointers 9. I was asked to write a program which will take input of an expression and sort misplaced and overused parenthesis and return sentence with sorted parenthesis, e.g. input - ))(({}{ output - {(())}

Siemens: 1) Inheritance using private, protected, public for child class what is the scope for all. 2) can private parent class be accessible by child class. Yes/No. If yes then how. If no then why? 3) c program on double linked list to find minimum of all list using double pointer. 4) pointer to pointer what is the output 5) Socket programming any idea? 6) What is context switching 7) communication protocol. 8) oops concepts
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C/C++ Embedded Developer

Interviewed at Siemens

4.1★
May 9, 2021

Siemens: 1) Inheritance using private, protected, public for child class what is the scope for all. 2) can private parent class be accessible by child class. Yes/No. If yes then how. If no then why? 3) c program on double linked list to find minimum of all list using double pointer. 4) pointer to pointer what is the output 5) Socket programming any idea? 6) What is context switching 7) communication protocol. 8) oops concepts

Hard to generalize, since every technical interview was completelly different. There was request to code something online, general C++ questions (constructors, destructors, casting, ...), found problem in code excerpt, network communication questions, ...
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Senior Software Engineer C++

Interviewed at Akamai

4.3★
Feb 18, 2022

Hard to generalize, since every technical interview was completelly different. There was request to code something online, general C++ questions (constructors, destructors, casting, ...), found problem in code excerpt, network communication questions, ...

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