If a friend function is declared inside a class it can access all data members of the class.
True
False
Correct Answer :
A. True
Related Questions
When accessing a structure member, the identifier to the left of the dot operator is the name of
Structure member
Structure tag
Structure variable
The keyword struct.
this' pointer has to be used while accessing data members in a member function.
True
False
A class that contains at least one pure virtual function is called as
pure class
abstract class
base class
derived class
Operator overloading is
Making C++ operators work with objects
Making C++ operators more then they can handle
Giving new meaning to existing c++ operators
Making new C++ operators
In a for loop with a multi-statement loop body, semicolons should appear following
The for statement itself
The closing brace in a multi-statement loop body
Each statement within the loop body.
The test expression
The new operator always returns a void pointer.
True
False
A pure virtual function is a virtual function that has
no definition in its base class
a definition in its base class
a definition in at least one derived class
definition in base class and at least one derived class
The value of 'this' pointer can be changed.
True
False
The getch() library function
Returns a character when any key is pressed
Returns a character when ENTER is pressed
Display a character on the screen when a key is pressed
Does not display a character on the screen
The members of a class can be made private by
declaring them private
by default they are private
by declaring them in the beginning of the program immediately after main()
they are always public
When one object initializes another object the following function is invoked
copy constructor
new
instantiation
none of the above
Pick out the most appropriate statement from the following
references are pointers
array of references can be created
you can not reference a reference variable
all of the above
We cannot have the address of a constructor.
True
False
If a friend function is declared inside a class it can access all data members of the class.
True
False
new operator is used
To dynamically allocate storage
To statically allocate storage
To allocate storage for a new variable
None of the above are correct
_____________ operator must have one class object
+
new
all
None of these
In C++, the stream base class is
iostream
iofstream
ios
stdio
Protected data members can be accessed
Only from the base class itself
Both form the base class and from its derived classes
From the class which is friend of the base class
None of the above are correct
Static member functions have file scope.
True
False
The exception is processed using
unexpected()
perform()
catch()
try()
The && and || operators
Compare two numeric values
Combine two numeric values
Compare two Boolean values
Combine two Boolean values
In a class, only the member function can access data, which is not accessible to outside. This feature is called:
Data security
Data hiding
Data manipulation
Data definition
Private data members can be accessed
Only from the base class itself
Both from the base class and form its derived classes
From the class which is a friend of the base class
None of the above is correct
A function that is called automatically when an object is destroyed is known as
instantiation
function prototype
constructor
destructor
Which of the following is true about const member functions?
const members can be invoked on both const as well as nonconst objects
const members can be invoked only on const objects and not on nonconst objects
nonconst members can be invoked on const objects as well as nonconst objects
none of the above
In case of nested class, enclosing class can directly access the private data member of nested class.
True
False
Which of the following relationship is known as inheritancerelationship?
‘has-a’ relationship
‘is-a’ relationship
association relationship
none of the above
ios containes a pointer to streambuf.
True
False
A function that is called automatically when an object is created is known as
instantiation
function prototype
constructor
structure
Reference to an object behaves like a constant pointer.
True
False