$2.$ Choose one of the methods in the class that you chose

and create a contract and a method specifi cation for

it$.$ Use OCL to specify any pre$-$ or postcondition and

use both Structured English and an activity diagram to

specify the algorithm.

Patterns

Polymorphism

Postcondition

Precondition

Redefi nition

Server

Signature

Single inheritance

State

Structured English

Supplier

Synonyms

Trigger

Visibility

QUESTIONS

$1.$ What are the basic characteristics of object$-$oriented

systems?

$2.$ What is dynamic binding?

$3.$ Defi ne polymorphism. Give one example of a good

use of polymorphism and one example of a bad use of

polymorphism.

$4.$ What is an inheritance confl ict? How does an inheritance confl ict aff ect the design?

$5.$ Why is cancellation of methods a bad thing?

$6.$ Give the guidelines to avoid problems with inheritance confl icts.

$7.$ Why is it important to know which object$-$oriented

programming language is going to be used to implement the system?

$8.$ What additional types of inherit