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#1 2018-06-08 06:51:15
59 Most Common C++ Programmer Interview Questions And Answers
C++ :: C++ Programmer Job Interview Questions and Answers
C++ Programmer related Frequently Asked Questions by expert members with professional career as C++ Programmer. These list of interview questions and answers will help you strengthen your technical skills, prepare for the new job interview and quickly revise your concepts
1 Explain me what is an Object/Instance?
2 Explain void free (void* ptr)?
3 Tell me how to create a pure virtual function?
4 Tell me what will the line of code below print out and why?
5 Please explain is there a difference between class and struct?
6 Explain what are VTABLE and VPTR?
7 Explain what is inheritance?
8 Tell me does an abstract class in C++ need to hold all pure virtual functions?
9 Tell me what is difference between C and C++?
10 Tell us what is the use of volatile keyword in c++? Give an example?
11 Explain what do you mean by storage classes?
12 Tell me is it possible to get the source code back from binary file?
13 Explain is it possible to have a recursive inline function?
14 Do you know who designed C++ programming language?
15 Tell us can we use malloc() function of C language to allocate dynamic memory in C++?
16 Do you know what is the role of mutable storage class specifier?
17 Tell me how can a C function be called in a C++ program?
18 Tell us how to make sure a C++ function can be called as e.g. void foo(int, int) but not as any other type like void foo(long, long)?
19 Explain me what will i and j equal after the code below is executed? Explain your answer. int i = 5; int j = i++;?
20 Explain how to create a reference variable in C++?
21 Tell us why pure virtual functions are used if they don't have implementation / When does a pure virtual function become useful?
22 Explain what is 'Copy Constructor' and when it is called?
23 Tell me what are C++ inline functions?
24 Tell me what is a class?
25 Explain me which operator can be used in C++ to allocate dynamic memory?
26 Explain me are you allowed to have a static const member function?
27 Please explain what is difference between shallow copy and deep copy? Which is default?
28 Explain me what do you mean by C++ access specifiers?
29 Tell us does C++ supports exception handling? If so what are the keywords involved in achieving the same?
30 Tell me which compiler switch to be used for compiling the programs using math library with g++ compiler?
31 Tell me when you should use virtual inheritance?
32 Explain me what do you mean by translation unit in c++?
33 Tell us in how many ways we can initialize an int variable in C++?
34 Explain me what is meant by reference variable in C++?
35 Tell me what is abstraction?
36 What is a storage class in C++?
37 Tell me do we have a String primitive data type in C++?
38 Do you know which access specifier/s can help to achive data hiding in C++?
39 Tell us what is a storage class?
40 Tell me what is the full form of OOPS?
41 Tell me what is the block scope variable in C++?
42 Do you know what is an object?
43 Explain me what is virtual destructors? Why they are used?
44 Explain me what is implicit conversion/coercion in c++?
45 Explain void* realloc (void* ptr, size_t size)?
46 Please explain the volatile and mutable keywords?
47 Do you know what is encapsulation?
48 Tell me the default standard streams in C++?
49 Explain me the storage classes names in C++?
50 Tell me the types of inheritance supported in C++?
51 Tell me what do you mean by persistent and non persistent objects?
52 What is an inline function in C++?
53 Please explain what is a reference variable in C++?
54 Explain what is the role of protected access specifier?
55 Tell me what is this pointer?
56 Do you know the purpose of the keyword volatile?
57 Tell me what is an abstract class in C++?
58 Explain what do you mean by pure virtual functions in C++?
59 Tell us what do you mean by internal linking and external linking in c++?
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