What is the way to implement data abstraction?
Encapsulation
Inheritance
Polymorphism
Object
Which of the following need to be called to read a data item in an object?
variable
class
member function
member variables
Anything that is visible or tangible is ____.
object
none of these
Which of the following behaviour of an object does Abstraction focuses upon?
observable
Implementation
Identifying
all of these
Which of the following is used for object interaction?
encapsulation
messages
methods
Gear system in a car is an example for ___.
abstraction
polymorphism
What is the way to maintain software object's state?
Which of the following concept holds the feature of Wrapping up of data and function into a single unit?
Abstraction
What is the complementary concept of Abstraction?
Class
The interaction of object is known as ___.
message passing
