Explanation: In Smalltalk and Simula, data and methods of manipulating the data are kept as a single unit called an object. 3) Callback is an operation provided by
A. Inheritance
B. Encapsulation
C. Modularity
D. Abstraction
Answer:A
Explanation: In Smalltalk and Simula, data and methods of manipulating the data are kept as a single unit called an object. 3) Callback is an operation provided by
A. Inheritance B. Encapsulation C. Modularity D. Abstraction
Explanation: A call back is a programming idiom which a client provides a function to the server and the server calls the client’s function whenever the appropriate conditions are met. 4) :reader, :writer or :accessor are the slot options in