C++ General Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

C++ General Interview Questions

Questions Answers Views Company eMail

Why Pointers are not used in C++?

Global Logic,

1074

Explain 'this' pointer and what would happen if a pointer is deleted twice?

Genpact,

1059

Can class objects be passed as function arguments?

HCL,

1064

Can non graphic characters be used and processed in C++?

HCL,

1193

Define whitespace in C++.

HCL,

1206

Give 10 points of differences between C & C++.

HCL,

1140

What is the function of I/O library in C++ ?

HCL,

1188

How many ways can a variable be initialized into in C++?

HCL,

1016

Tell me difference between constant pointer and pointer to a constant.

Honeywell, Zomato,

1190

What is pointer -to-members in C++? Give their syntax?

Honeywell, Zomato,

1025

Can you Mention some Application of C/C++?

1073

What is the role of C++ shorthand's?

TCS,

1274

Differentiate between C and C++.

Wipro,

1242

What are pointer-to-members in C++? Give their syntax.

HAL,

1136

Explain all the C++ concepts using examples.

InterGraph,

1203

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Un-Answered Questions { C++ General }

What is class invariant in c++?

1227

A mXn matrix is given and rows and column are sorted as shown below.Write a function that search a desired entered no in the matrix .with minimum complexity 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16

3673

What is a .lib file in c++?

994

What is a sequence in c++?

1009

Explain the problem with overriding functions

1150

what is scupper?

2391

What kind of jobs can I get with c++?

1112

What relational operators if statements in c++?

1175

What is c++ best used for?

1064

How would you call C functions from C++ and vice versa?

1168

What is else if syntax?

1162

write a corrected statement so that the instruction will work properly. if (4 < x < 11) y = 2 * x;

2003

What is the difference between mutex and binary semaphore?

1209

Describe linkages and types of linkages?

993

Which bit wise operator is suitable for turning off a particular bit in a number?

1111

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