Which of the following can be facilitated by the Inheritance mechanism?
computer science
Description
Which of the following
can be facilitated by the Inheritance mechanism?
1. Use the existing functionality of base
class.
2. Override the
existing functionality of base class.
3. Implement new
functionality in the derived class.
4. Implement
polymorphic behavior.
5. Implement
containership.
a.
1, 2, and 3
b.
3 and 4
c.
2, 4 and 5
d.
3 and 5
Assume class
B is inherited from class A. Which of the following statements is correct about
construction of an object of class B?
a.
While creating the object firstly the
constructor of class B will be called
followed by constructor of class A.
b.
While creating the object firstly the
constructor of class A will be called followed by constructor
of class B.
c.
The constructor of only class B will be called.
d.
The constructor of only class A will be called.
e.
The order of calling constructors depends upon
whether constructors in class A and B are private or public
Which of the
following statements are correct about Inheritance in C#.NET? 1. A derived
class object contains all the base class data. 2. Inheritance cannot suppress
the base class functionality. 3. A derived class may not be able to access all
the base class data. 4. Inheritance cannot extend the base class functionality.
5. In inheritance chain construction of object happens from base towards
derived.
a.
1,
2, 4
b.
2,
4, 5
c.
1,
3, 5
d.
2,
4
In an inheritance chain which of the following
members of base class are accessible to the derived class members?
1. static
2. protected
3. private
4. shared
5. public
a.
1,
3
b.
2,
5
c.
3,
4
d.
4,
5
To make a class non-inheritable, we need to
declare the class as ______________
a.
Closed
b.
Blocked
c.
Sealed
d.
Taped
e.
None
of the above
