Question

This utility executes all the steps required to complete a sale. It looks up an item,...

This utility executes all the steps required to complete a sale. It looks up an item, then it calculates the price with tax, then it calculates shipping, then finally lets shipping know to send the product. What type of cohesion is demonstrated here?

Which object-oriented concept (term) describes the process of the correct method being executed for the correct object class, during program execution?

Group of answer choices

polymorphism

information hiding

iheritance

dynamic binding

Testing adds quality to a project.

Group of answer choices

True

False

Homework Answers

Answer #1

Ans = 2) In object-oriented programming, polymorphism refers to a programming language's ability to process objects differently depending on their data type or class. More specifically, it is the ability to redefine methods for derived classes. For example, given a base class shape, polymorphism enables the programmer to define different area methods for any number of derived classes, such as circles, rectangles and triangles. No matter what shape an object is, applying the area method to it will return the correct results. Polymorphism is considered to be a requirement of any true object-oriented programming language (OOPL).

So, option 1 is correct.

Ans= 3) It is true that testing adds quality to a project.

Early testing will ensure that any defects do not turn into larger, more complicated issues. The bigger the defect, the more expensive it becomes to iron out any issues.

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