Grab a Piece of Paper! Determine Mutable or Immutable
For the data description:
- list all of the data.
- categorize the data as either mutable or immutable.
- Some of the descriptions could be represented multiple ways, so be sure to explain your choice.
- A couple of examples are provided.
| Data Description |
Mutable Data |
Immutable Data |
Explanation |
| A student |
- name
- email
- phone number
- mailing address
- grade level
|
- student id number
- birthday
|
- name's can change due to adoption or marriage
- email addresses and phone numbers change all the time
- A student can move changing their physical address. The physical address itself is immutable.
- A student id number and their birthday does not change.
|
| A vehicle registration |
- vehicle owner
- license plate
- number of miles on the car
- the value of the car
|
- vin number
- year created
- make
- model
|
- Cars get sold to new owners all the time
- License plates change on the vehicle
- As we drive the car we add more miles to the car
- As the car gets older, it's value decreases
- The vehicle's vin number doesn't change
- The year a vehicle was created can't change
- The make and model of the car doesn't change
|
| A meteorite landing |
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| A card in a deck of 52 cards |
|
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| Items in a vending machine |
|
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| Movie premiere |
|
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| A city |
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