Python - Class Methods and Static Methods
You want to create a method that returns the total number of instances created from a class. Which method type should you use and why?
You want to create a method that returns the total number of instances created from a class. Which method type should you use and why?
hard🚀 Application Q8 of Q15
Step-by-Step Solution
Solution:
Step 1: Understand the need to track instances
The count of instances is shared data, not specific to one instance.Step 2: Choose method type to access shared data
Class methods receive the class and can access or modify class-level counters.Final Answer:
Class method, because it accesses class-level data shared by all instances -> Option AQuick Check:
Counting instances uses class method = A [OK]
Quick Trick: Use class methods to track data shared by all instances [OK]
Common Mistakes:
MISTAKES- Using instance methods which only see one object
- Thinking static methods can access class data
Master "Class Methods and Static Methods" in Python
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