Answered step by step
Verified Expert Solution
Link Copied!

Question

1 Approved Answer

When identifying the proper instance variables to use in the design of an inheritance hierarchy, how do you decide where in the hierarchy a variable

When identifying the proper instance variables to use in the design of an inheritance hierarchy, how do you decide where in the hierarchy a variable should be placed?
Instance variables should only be declared in the superclass and then accessed using the super keyword.
Instance variables should only be declared in subclasses.
Instance variables that are common to all classes should be placed at the base of the hierarchy.
Instance variables that are relevant to only one class should be placed at the base of the hierarchy.
image text in transcribed

Step by Step Solution

There are 3 Steps involved in it

Step: 1

blur-text-image

Get Instant Access to Expert-Tailored Solutions

See step-by-step solutions with expert insights and AI powered tools for academic success

Step: 2

blur-text-image

Step: 3

blur-text-image

Ace Your Homework with AI

Get the answers you need in no time with our AI-driven, step-by-step assistance

Get Started

Recommended Textbook for

Put Your Data To Work 52 Tips And Techniques For Effectively Managing Your Database

Authors: Wes Trochlil

1st Edition

0880343079, 978-0880343077

More Books

Students also viewed these Databases questions