stacks and queues done

[dnsrocha]

Stacks and Queues

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Comprehension Questions

Question	Answer
What is an ADT?	Abstract Data Type - A type of object which is described by the methods it has and how they perform.
Describe a Stack	A Stack is a data structure which stores a list of data and only provides access in a Last-In-First-Out (LIFO) order.
What are the 5 methods in Stack and what does each do?	New (initializes the stack), push (adds an item to the stack), pop (removes item from stack), empty (checks if stack is empty), to_s (converts stack to string)
Describe a Queue	A Queue is a data structure which stores a list of data and only provides access in a First-In-First-Out (FIFO) order.
What are the 5 methods in Queue and what does each do?	New (initializes the queue), enqueue (adds an item to the queue), dequeue (removes an item from the queue and provides ice cream), empty (checks if a queue is empty), to_s (converts a queue to string)
What is the difference between implementing something and using something?	Implementing is writing the code behind a problem statement or objective, while using is just running it.

OPTIONAL JobSimulation

Question	Answer
Did you include a sample run of your code as a comment?

[CheezItMan]

Well done Denise, you hit the learning goals here. Nice work!

[CheezItMan]

👍

[CheezItMan]

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[CheezItMan]

Avoid hardcoding the 20

Suggested change

	@start = (@start + 1 ) % 20
	@start = (@start + 1 ) % @store.length

[CheezItMan]

👍

[CheezItMan]

👍

[CheezItMan]

👍

[CheezItMan]

👍

[CheezItMan]

👍