C/C++ Technical Interview Questions
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Here we have listed below most important C and C++ technical
interview questions. There questions are very important and asked by top IT
companies.
IT companies like TCS, Accenture, Tech Mahindra, Virtusa, Amazon, Wipro,
Hexaware, Capgemini, Cognizant, Deloitte, KPMG have asked these questions in their
interview.
1. Difference between C and C++.
4. What is keyword, how many keywords are there in C++?
7. Difference between Keyword and Identifier.
8. What is decision control statement?
9. Difference between If and If else statement.
13. What is difference between while loop and do while loop?
14. What is break statement and continue statement?
15. What is goto statement in C++?
17. What is call by value and call by reference?
18. What is recursion function?
21. Give me 5 string functions name.
23. Difference between string and array.
24. What is Multi-dimensional array / 2D array?
25. What is sizeof() operator in C++?
26. What is Malloc() and Calloc ()?
29. What is NULL pointer or Void Pointer?
30. What are OPPs concept in C++?
32. What is Inheritance in C++?
34. What is function overloading and function overriding?
35. How many types of inheritance in C++?
37. Can constructor be overload in C++?
44. What do you understand by abstraction?
45. What is data hiding in C++?