OOP & Design Patterns - Encapsulation - Data Hiding, Getters/Setters & Access Modifiers
What is a typical disadvantage of using getters and setters for every private field instead of allowing direct field access?
What is a typical disadvantage of using getters and setters for every private field instead of allowing direct field access?
medium💡 Conceptual Thinking Q5 of Q15
Step-by-Step Solution
Solution:
Step 1: Purpose of getters/setters
They provide controlled access and allow validation.Step 2: Trade-offs
Using them for every field increases code size and may add minor overhead.Step 3: Incorrect options
Getters/setters enhance encapsulation and control, not reduce it.Final Answer:
Option A -> Option AQuick Check:
Getters/setters add code but improve control [OK]
Quick Trick: Getters/setters add code but improve encapsulation [OK]
Common Mistakes:
MISTAKES- Thinking getters/setters reduce encapsulation
- Assuming direct field access is safer
- Believing getters/setters prevent all performance issues
Trap Explanation:
PITFALL- Misunderstanding that getters/setters reduce encapsulation leads to wrong answers.
Interviewer Note:
CONTEXT- Evaluates understanding of trade-offs in encapsulation design.
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