Which of the following statements is correct?
1/ Change a reference changes the referent.
2/ We can create an array of references.
A -
Only 1 is correct.
B -
Only 2 is correct.
C -
Both 1 and 2 are correct.
D -
Both 1 and 2 are incorrect.
2-
Which of the following statement is correct about the references?
A -
A reference must always be initialized within functions.
B -
A reference must always be initialized outside all functions.
C -
A reference must always be initialized.
D -
Both A and C.
3-
A reference is declared using the _____ symbol.
A -
&&
B -
&
C -
||
D -
!
4-
Which of the following statement is correct?
A -
Once a reference variable has been defined to refer to a particular variable it can refer to any other variable.
B -
A reference is indicated by using && operator.
C -
Once a reference variable has been defined to refer to a particular variable it cannot refer to any other variable.
D -
A reference can be declared beforehand and initialized later.
5-
Which of the following statements is correct?
1/ A reference is not a constant pointer.
2/ A referenced is automatically de-referenced.
A -
Only 1 is correct.
B -
Only 2 is correct.
C -
Both 1 and 2 are correct.
D -
Both 1 and 2 are incorrect.
6-
Which of the following statements is correct?
1/ An array of references is acceptable.
2/ We can also create a reference to a reference.
A -
Only 1 is correct.
B -
Only 2 is correct.
C -
Both 1 and 2 are correct.
D -
Both 1 and 2 are incorrect.
7-
Which of the following statement is correct?
A -
A referenced has to be de-referenced to access a value.
B -
A referenced does not need to be de-referenced to access a value.
C -
A referenced has to be double de-referenced to access a value.
D -
Whether a reference should be de-referenced or not depends on the type of the reference.
8-
Which of the following statements is correct?
1/ Once the variable and the reference are linked they are tied together.
2/ Once the reference of a variable is declared another reference of that variable is not allowed.
A -
Only 1 is correct.
B -
Only 2 is correct.
C -
Both 1 and 2 are correct.
D -
Both 1 and 2 are incorrect.
9-
Which of the following statements is correct?
1/ We can return a global variable by reference.
2/ We cannot return a local variable by reference.
