If you would need to insert another class or change an existing class, then

specify this.

Create a simple class diagram for the following classes. Add superclasses as

necessary, and feel free to change the names of the following classes. Add

necessary attributes.

a$)$ Part of a system for managing musical instruments. This one will

mostly be a pure class hierarchy.

Classes include: Drum, Violin, Piano, Organ, Trumpet, Trombone,

Cello, Electric Guitar, Acoustic Guitar; attributes include isElectronic,

highestDote, lowestNote, typicalWeight. Think of some other attributes

that would distinguish the classes.

b$)$ A system for tracking recipes. This one will ask you to add some

basic associations.

Recipe $($a list of ingredients and a list of instruction steps, plus a

description$)$

FoodType

Ingredient $($a food type and an amount$)$

Instruction step $($text$,$ plus a list of ingredients to add in this step$)$