LLD - Design — Elevator System
Which of the following is the correct syntax to define a state enum with states
idle, moving_up, and moving_down in a typical low-level design?Which of the following is the correct syntax to define a state enum with states idle, moving_up, and moving_down in a typical low-level design?
easy🧠 Conceptual Q3 of Q15
Step-by-Step Solution
Solution:
Step 1: Recall enum syntax
Standard enum syntax uses curly braces without assignment or arrows.Step 2: Match options with correct syntax
enum State { idle, moving_up, moving_down } matches the correct syntax:enum State { idle, moving_up, moving_down }.Final Answer:
enum State { idle, moving_up, moving_down } -> Option CQuick Check:
Enum syntax uses braces, no equals or arrows [OK]
Quick Trick: Enum uses braces, no equals or arrows [OK]
Common Mistakes:
MISTAKES- Using equals sign in enum
- Using colon instead of braces
- Using arrow notation incorrectly
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