The following program segment
const int m = 10 ;
int &n = m ;
n = l1 ;
cout << m << n;
| A. | results in compile time error |
| B. | results in run time error |
| C. | prints 1111 |
| D. | prints 1 0 11 |
|
Option: A Explanation : Click on Discuss to view users comments. |
The following program segment
int a = 10 ;
int const &b = a ;
a = l1 ;
cout << a << b ;
| A. | results in compile time error |
| B. | results in run time error |
| C. | prints 1111 |
| D. | none of the above |
|
Option: C Explanation : The very idea of declaring b as a constant integer is to protect it from changes. However, since it is aliased to a variable whose attribute is not const, the value of b can be indirectly changed by changing the value of a. This is a bad programming practice. Click on Discuss to view users comments. |
Which of the following is not a storage class supported by C++ ?
| A. | register |
| B. | auto |
| C. | mutable |
| D. | dynamic |
|
Option: D Explanation : Click on Discuss to view users comments. |
Consider the following program segment.
static char X [3] = "1234" ;
cout << X ;
A complete c++ program with these two statements
| A. | prints 12 3 4 |
| B. | prints 12 3 |
| C. | prints 1234 followed by some junk |
| D. | will give a compilation error |
|
Option: D Explanation : c++ forbids initialization with strings, whose length is more than the size of the array. C compiler permits. Click on Discuss to view users comments. |
Consider the following program segment.
const char *p1= "To make the bitter butter better" ; // stm1
char *const p2 = "Recommend this book 2 others "; //stm2
p1 = "add some better butter not bitter. " ; //stm3
p2 = "so that th~y 2 will get benefited. " ; //stm4
* (p1+3) = 'A' ; //stm5
* (p2+3) = 'A' ; //stm6
Which of the statement results in error?
| A. | stm4 and stm5 |
| B. | stm1 and stm2 |
| C. | stm1 and stm4 |
| D. | stm2 and stm3 |
|
Option: A Explanation : Click on Discuss to view users comments. |
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