Delete operator is used
To allocate storage
To deallocate storage
To delete variable name
None of the above are correct
Correct Answer :
B. To deallocate storage
Related Questions
The && and || operators
Compare two numeric values
Combine two numeric values
Compare two Boolean values
Combine two Boolean values
Which of the following can legitimately be passed to a function?
A constant
A variable
A structure
A header file
The following syntax is valid. void inline gram_ panchayat :: show_gram_ panchayat_info().
True
False
By default, members cannot be inherited.
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
A direct access file is:
A file in which recoreds are arranged in a way they are inserted in a file
A file in which records are arranged in a particular order
Files which are stored on a direct access storage medium
None of the above
Dynamic memory can be allocated by the following declaration
new
volatile
static
==
If a friend function is declared inside a class it can access all data members of the class.
True
False
The string table in C++ holds the
string constants in your program
program statements in string form
variables whose type is of string
none of the above
Pick out the most appropriate statement
All variables must be declared before they are used
Variables in C++ need not be declared and the type can be assigned dynamically
Variables in C++ can be declared at the end of the program (before the main function terminates)
Variables can not be used explicitly in C++
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
_______ argument(s) are passed in case of binary overloaded operators.
Two
One
No
None of the above
A destructor can have a return type.
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
Class members are _______________ by default
Private
protected
public
None of the above are correct
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
main() returns a value of type
real
char
int
null
Objects get destroyed in the reverse order as they are created.
True
False
What is the output of the following program segment - for(i = 1, j = 0; i < 10; i++) j += i; cout <<i<<"
";
10
20
55
there is an error in the program
A function that is called automatically when an object is destroyed is known as
instantiation
function prototype
constructor
destructor
We cannot have the address of a constructor.
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
Classes are useful because they
Are removed from memory when not in use
Permit data to be hidden from other classes
Bring together all aspects of an entity in one place
Can closely model objects in the real world
The signature of a function is
The return type
The number and type of arguments
The class of a function
None of the above
Overloaded functions
Are a group of functions with the same name
All have the same number and types of arguments
Make life simpler for programmer
May fail unexpectedly due to stress
When you overload an arithmetic assignment operator, the result
Goes in the object to the right of the operator
Goes in the object to the left of the operator
Goes in the object of which the operator is a member
Must be returned
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
:: is known as
scope resolution operator
global operator
Both (a) & (b)
None of these
Data objects can be initialized when allocating memory using 'new'.
True
False
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