The declaration
int x ;
int &p=x ;
is same as the declaration
int x,*p ;
p=&x ;
This remark is
| A. | true |
| B. | false |
| C. | sometimes true |
| D. | none of the above |
|
Option: B Explanation : In the first declaration, p is aliased to x. In the second case, p is a separate variable and it will have an address that is different from that of x. Click on Discuss to view users comments. |
Consider the declarations
const char cc = 'h' ;
char *CP ;
const char *const ccpc = &CC;
char *const *cpcp ;
Which of the following statements
Statement I: cp = * cpcp ;
Statement II: * * cpcp = * cp ;
Statement III: * cp = * * cpcp ;
are legal?
| A. | All are legal |
| B. | All are illegal |
| C. | Only statement I is illegal. |
| D. | Statements I and III are illegal. |
|
Option: A Explanation : Click on Discuss to view users comments. |
Reference is not same as pointer because
| A. | a reference can never be null |
| B. | a reference once established cannot be changed. |
| C. | reference doesn't need an explicit dereferencing mechanism. |
| D. | All of these |
|
Option: D Explanation : Click on Discuss to view users comments. |
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