Modelling Dictionaries

A Dictionary is a data structure that allows us as programmers to group data together into ONE construct.

A Dictionary has a:

• single name
• parts that are identified using "keys"
• values that are accessed by using the "key"

In this website, there are several dictionaries that are defined in specific files:

A dictionary containing information about key terms

This has the following keys:

• topic
• section
• subsection
• term
• term
• meaning

This data can be found in the file called terms.js in the folder data

A dictionary containing information about books.

This has the following keys:

• ISBN
• title
• author
• publisher
• publication
• cover

This data can be found in the file called books.js in the folder data

A dictionary containing information about cars

This has the following keys:

• registration
• manufacturer
• model
• costPrice
• deposit
• monthlyLease
• leaseTerm
• leaseCategory
• dateOfSale
• allowableMileage
• actualMileage
• sellingPrice
• reservePrice

This data can be found in the file called cars.js in the folder data

A dictionary containing information about customers

This has the following keys:

• email
• company
• firstName
• lastName
• mobileNo

This data can be found in the file called cars.js in the folder data

A dictionary containing information about playing cards

This has the following keys:

• index
• value
• name
• suit
• image

This data can be found in the file called cards.js in the folder data

This video goes through the modelling on this page: