Author Question: Explain design requirements for defining methods and messages. What will be an ideal ... (Read 23 times)

jho37 · **on:** Jul 7, 2018

Explain design requirements for defining methods and messages.

What will be an ideal response?

Question 2

________ can dramatically improve the application development process.

A)

Application life cycle management
B)

Structured systems development
C)

Prototyping
D)

All of the above

olderstudent · **Reply #1 on:** Jul 7, 2018

Answer to Question 1

Messages are how objects interact within an object-oriented context. To define a concrete class, we must provide it with exact and detailed methods so that its instances can respond to exact and unambiguous messages from other objects and provide them with its services.
Methods are implementations of an object's public services. To ask an object to perform a service, another object must send it a message that corresponds both in substance and in form to the method that provides the service.

Answer to Question 2

D