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

C++ General Interview Questions

Questions Answers Views Company eMail

Write a corrected statement in c++ so that the statement will work properly. x =+ 7;

2 4051

Write a corrected statement in c++ so that the statement will work properly. x + y=z;

2 4172

If you had the following code: int x = 23; int *y; y = &x; The instruction y++; does what?

2 4786

Write a single instruction that will find the remainder of integral division when x is divided by y. Have the answer stored in z.

1 3573

Write a single instruction that will store an EVEN random integer between 54 and 212 inclusive in the variable myran. (NOTE only generate EVEN random numbers)

2003

Given the following seqment of code containing a group of nested if instructions: y = 9; if ((x==3) || (x == 5)) y++; else if (x == 2) y *= 2; else if (x == ) y-= 7; else y = 8; if the value of x is 4 before the nested IFs are executed, what is the value of y after the nested IFs are executed?

2076

Given the following seqment of code containing a group of nested if instructions: y = 9; if ((x==3) || (x == 5)) y++; else if (x == 2) y *= 2; else if (x == 4 ) y-= 7; else y = 8; Enter a segment of code (without any IF statements) that does exectly the same thing using the switch structure.

1 3797

Given the following function definition: int doit(int &x, int y, int &z) { x = 3*x; y = y + 5; z = x+y; return z - 4; } int a = 5, b = 7, c = 9, d = 11; d = doit(a,b,c);

2 7036

Write a C/C++ program that connects to a MySQL server and checks if the InnoDB plug-in is installed on it. If so, your program should print the maximum number of concurrent threads that the InnoDB plug-in can create

2674

#include void main() { class x { public: int func(int) { cout<<"cool"; return 1; } } }

Infosys,

1 4861

Write a program and call it sortcheck.cpp which receives 10 numbers from input and checks whether these numbers are in ascending order or not. You are not allowed to use arrays. You should not define more than three variables

BirlaSoft, Crayonz,

2 4953

write a c++ program that gives output 1 1 2 1 2 3 1 2 3 4 1 2 3 4 5 using looping statement

2 6443

What do you mean by abstraction. Explain your answer?

5 13268

What is compilation?

Datamatics, TCS,

1 5369

Write a C/C++ program that connects to a MySQL server and checks if the InnoDB plug-in is installed on it. If so, your program should print the total number of disk writes by MySQL.

Webyog,

4 11598

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Un-Answered Questions { C++ General }

Can manipulators fall in love?

1069

What are the classes in c++?

1156

Is there any function that can skip certain number of characters present in the input stream?

1126

What does new return if there is insufficient memory to make your new object?

1084

What is the difference between C and CPP?

1212

What are the two shift operators and what are their functions?

1141

Which operator cannot overload?

1101

What are the advantages of pointers?

1120

What is the difference between the parameter to a template and the parameter to a function?

1163

What is a multiset c++?

1209

Is facebook written in c++?

1051

How the virtual functions maintain the call up?

1283

Explain public, protected, private in c++?

1069

What is the difference between a reference and a pointer?

1182

Can we change the basic meaning of an operator in c++?

1159

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