Ruby - Variables and Data Types
Which of these Ruby variable names will cause a syntax error?
Which of these Ruby variable names will cause a syntax error?
easy📝 Syntax Q12 of 15
Step-by-Step Solution
Solution:
Step 1: Identify invalid characters in variable names
Ruby variable names can only contain letters, digits, and underscores. Hyphens are not allowed.Step 2: Check each option for invalid characters
temp-var has a hyphen, which causes a syntax error. The others are valid.Final Answer:
temp-var -> Option AQuick Check:
Hyphens cause syntax errors in variable names [OK]
Quick Trick: No hyphens allowed in variable names, use underscores instead [OK]
Common Mistakes:
- Using hyphens instead of underscores
- Confusing uppercase and lowercase letters
- Starting variable names with digits
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