Question

An alternative to having instances of class Radian maintain their value in an instance variable would be to make the class a subclass of class Float. Discuss the advantages and disadvantages of this approach.

   An alternative to having instances of class Radian maintain their value in an instance variable would be to make the class a subclass of class Float. Discuss the advantages and disadvantages of this approach.

A little Smalltalk

A little Smalltalk

Timothy Budd 1st Edition

Chapter 6, Problem 6

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Step 1

Typically, such a class would have an instance variable to store the radian value. The alternative approach proposed is to subclass `Radian` from `Float`, which means `Radian` would inherit from `Float` and directly represent a floating-point number. Show more…

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An alternative to having instances of class Radian maintain their value in an instance variable would be to make the class a subclass of class Float. Discuss the advantages and disadvantages of this approach.

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