A copy constructor is used to copy an object member wise to another object of the same class.
True
False
Correct Answer :
A. True
Related Questions
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
Objects get destroyed in the reverse order as they are created.
True
False
It is possible to allow non member function access to private members of a class by declaring it as
public
friend
private
not possible
Public 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
The scope resolution operator is -
::
;
<<
->
In C++, the exception handler is invoked with a-
try block
throw exception
catch function
abort()
Member function cannot be called from within a constructor.
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
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
By default, C++ uses the following method of passing arguments
Call-by-Reference
Call-by-Value
Call-by-Pointer
None of the above
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
Which of the following is not a component of file system
Access method
Auxiliary storage management
Free integrity mechanism
None of the above
ios containes a pointer to streambuf.
True
False
When one object initializes another object the following function is invoked
copy constructor
new
instantiation
none of the above
The signature of a function is
The return type
The number and type of arguments
The class of a function
None of the above
The member of a structure can be accessed through a pointer by
->
dot operator
::
>>
Reference to an object behaves like a constant pointer.
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
In case of nested class, enclosing class can directly access the private data member of nested class.
True
False
The member of a structure can be directly accessed by
->
dot operator
::
>>
A copy constructor is used to copy an object member wise to another object of the same class.
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.
The members of a class by default are private.
True
False
Which of the following relationship is known as inheritancerelationship?
‘has-a’ relationship
‘is-a’ relationship
association relationship
none of the above
The new operator always returns a void pointer.
True
False
In C++, an identifier must be initialized using constant expression.
True
False
The ?: can be used to replace
if-else statement
wild cards
no meaning in C++
returns the value
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.
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