Python - Encapsulation and Data Protection
To ensure a user's password attribute in a Python class cannot be modified directly, which encapsulation technique is most appropriate?
To ensure a user's password attribute in a Python class cannot be modified directly, which encapsulation technique is most appropriate?
hard📝 Application Q8 of 15
Step-by-Step Solution
Solution:
Step 1: Understand encapsulation for protection
Making an attribute private prevents direct external modification.Step 2: Provide controlled access
Providing only a getter method allows read-only access, preventing changes.Step 3: Analyze options
Define the password as a private attribute and provide only a getter method correctly uses private attribute with getter only. Options B, C, and D do not protect the password.Final Answer:
Define the password as a private attribute and provide only a getter method -> Option CQuick Check:
Private attribute + getter = read-only access [OK]
Quick Trick: Private attribute with getter prevents direct modification [OK]
Common Mistakes:
- Making password public and trusting users
- Using global variables for sensitive data
- Allowing direct write access to password attribute
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