C++ interview questions part 5
C++ interview questions part 5
Take as many assements as you can to improve your validate your skill rating
Total Questions: 20
1. Which is used to check the error in the block?
Correct Answer is : y => 202
2. How to handle the exception in constructor?
Correct Answer is : segmentation fault
3. What should present when throwing a object?
Correct Answer is : 110
4. Which function is used to check whether a character is an alphabet?
Correct Answer is : 13
5. Which function is used to check whether a character is an alphabet or number?
Correct Answer is : It will not return value to its caller
6. Which function is used to check whether a character is a number?
Correct Answer is : 45337
7. Which function is used to check whether a character is a tab or space?
Correct Answer is : std namespace
8. Which function is used to check whether a character is tab or space or whitespace control code(\n,\r,etc.)?
Correct Answer is : To check if a variable is array type or not
9. Which function is used to check whether a character is tab or a control code?
Correct Answer is : 10
10. Which function is used to check whether a character is printable on console?
Correct Answer is : To check whether two variables have the same characteristics
11. Which function is used to check whether a character is hexadecimal?
Correct Answer is : 10
12. Which function is used to check whether a character is punctuation mark?
Correct Answer is : Returns the dimension of an array
13. What is the output of the following C++ code?
#include
#include
using namespace std;
int main(int argc, char const *argv[])
{
char arr[12] = "Hello World";
for(int i=0;i<12;i++)
{
cout<<(bool)isalpha(arr[i]);
}
}
Correct Answer is : 123
14. What is the output of the following C++ code?
#include
#include
using namespace std;
int main(int argc, char const *argv[])
{
char arr[12] = "H3ll0 W0r1d";
for(int i=0;i<12;i++)
{
cout<<(bool)isalpha(arr[i]);
}
cout<
Correct Answer is : Returns the size of a given dimension
Correct Answer is : Returns the size of a given dimension
15. What is the output of the following C++ code?
#include
#include
using namespace std;
int main(int argc, char const *argv[])
{
char arr[12] = "H3ll0\tW0r1d";
for(int i=0;i<12;i++)
{
cout<<(bool)isprint(arr[i]);
}
}
Correct Answer is : 102030
16. What is the output of the following C++ code?
#include
#include
using namespace std;
int main(int argc, char const *argv[])
{
char arr[12] = "H3ll0\tW0r1d";
for(int i=0;i<12;i++)
{
cout<<(bool)iscntrl(arr[i]);
}
}
Correct Answer is : Removes the first dimension from the left of the array
17. What is the output of the following C++ code?
#include
#include
using namespace std;
int main(int argc, char const *argv[])
{
char arr[20] = "\'H3ll0\'";
for(int i=0;i<8;i++)
{
cout<<(bool)ispunct(arr[i]);
}
}
Correct Answer is : 12
18. What is the output of the following C++ code?
#include
#include
using namespace std;
int main(int argc, char const *argv[])
{
char arr[27] = "abcdefghijklmnopqrstuvwxyz";
for(int i=0;i<27;i++)
{
cout<<(bool)isxdigit(arr[i]);
}
}
Correct Answer is : Removes the all dimension from an array
19. How many characters are specified in the ASCII scheme?
Correct Answer is : 0
20. Select the right option. Given the variables p, q are of char type and r, s, t are of int type 1. t = (r * s) / (r + s); 2. t = (p * q) / (r + s);
Correct Answer is : 2020
