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PCPP-32-101 · Question #67

You are developing a class where instances need to maintain a unique ID. Which approach would ensure this without duplicating IDs?

The correct answer is C. Use a class attribute to track the last assigned ID. You've hit your limit · resets 5am (America/New_York)

Advanced OOP

Question

You are developing a class where instances need to maintain a unique ID. Which approach would ensure this without duplicating IDs?

Options

AGenerate IDs using hash() on the object.
BDefine init and assign IDs randomly.
CUse a class attribute to track the last assigned ID.
DUse a dictionary with IDs as keys.

How the community answered

(41 responses)

A
5% (2)
B
2% (1)
C
83% (34)
D
10% (4)

Explanation

You've hit your limit · resets 5am (America/New_York)

Topics

#class attributes#instance IDs#encapsulation#object design

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