The declaration int **var1; shows that
var1 can not be accessed
var1 is a pointer to a pointer of type int
var1 is a protected data type of integer
this type declaration shows an error
Correct Answer :
B. var1 is a pointer to a pointer of type int
Related Questions
A member function can always access the data
In the object of which it is a member
In the class of which it is a member
In the object of the class of which it is a member
In the public part of its class
Sharing of common information are achieved by the concept of
Virtual copying
Inheritance
Encapsulation
None of these
The new operator always returns a void pointer.
True
False
The binding that binds a function call at run time is called
early binding
run time binding
late binding
linking
The scope resolution operator is -
::
;
<<
->
It is possible to allow non member function access to private members of a class by declaring it as
public
friend
private
not possible
A constructor cannot be explicitly called.
True
False
A destructor can have arguments like constructor.
True
False
iostream is inheried from istream, ostream and ios class.
True
False
The member of a structure can be accessed through a pointer by
->
dot operator
::
>>
The signature of a function is
The return type
The number and type of arguments
The class of a function
None of the above
In C++, identifiers have to be declared at the beginning of the blocks.
True
False
A destructor can have a return type.
True
False
One of the important features of an abstract class is
it need not have any object
it should be used only as a derived class
it need not have any members
none of the above
Delete operator is used
To allocate storage
To deallocate storage
To delete variable name
None of the above are correct
Static data member occurs in only class scope.
True
False
When one object initializes another object the following function is invoked
copy constructor
new
instantiation
none of the above
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
The library function exit() causes an exit from
The loop in which it occurs
The block in which it occurs
The function in which it occurs
The program in which it occurs
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
Constructor returns void type value.
True
False
Which of the following can legitimately be passed to a function?
A constant
A variable
A structure
A header file
The break statement causes an exit
Only from the innermost loop
Only from the innermost switch
From all loops and switch
Only from the innermost loops or switch
A class that contains at least one pure virtual function is called as
pure class
abstract class
base class
derived class
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
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
By default, C++ uses the following method of passing arguments
Call-by-Reference
Call-by-Value
Call-by-Pointer
None of the above
Organizing data with methods that operate on the data and creating a new data type is called encapsulation.
True
False
Which of the following are good reasons to use an object oriented language?
You can define your data types
Program statements are simpler than in procedural languages.
An OO program can be taught to correct its own errors.
It's easier to conceptualize an OO program.