Write a Queue class. The class is detailed as follows:
●__init__(self, capacity) → None
oComp...
Computers and Technology, 22.01.2021 17:20 french31
Write a Queue class. The class is detailed as follows:
●__init__(self, capacity) → None
oComplexity: O(1)
oValid Input: An integer in (0, ∞]. Use a default, valid capacity on invalid input.
oThis is the constructor for the class. You will need to store the following here:
▪The head pointer
▪The tail pointer
▪A variable maxSize
▪A variable currentSize
▪Any other instance variables you want.
●enqueue(self, ticket) → boolean
oComplexity: O(1)
oValid Input: An object of type: MealTicket. Return False on invalid input.
oThis is the enqueue method. It will add a meal ticket to the queue. It will then return True/False depending on if the enqueue was successful (Hint: Add a new ticket at the tail of the queue).
●dequeue(self) → MealTicket/ boolean
oComplexity: O(1)
oThis is the dequeue method. It will remove the ticket at the front of the queue andreturn it or False if the queue is empty. (Hint: Dequeue a ticket at the head of theQueue).
●front(self) → MealTicket/ boolean
oComplexity: O(1)
oThis method lets the user peak at the ticket at the front of the queue without deleting it. It will either return a meal ticket or false if the queue is empty.
●isEmpty(self) → boolean
oComplexity: O(1)
oThis method will return True/False depending on if the queue is empty or not.
●isFull(self) → boolean
oComplexity: O(1)
oThis method will return True/False depending on if the queue is full or not,
Your program must perform exactly as shown in the figure. Note 2: All methods in the queue class have a hard complexity upper bound of O(1). Your implementation must be in O(1). Note 3: For this assignment you must make and use your own linked list as the base data structure. Using lists, dictionaries or any other data structure will result in a 0 for the assignment
Answers: 1
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