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camelCase vs snake_case — Which Naming Convention Fits Your Stack?
camelCase for JavaScript/Java (variables, functions), snake_case for Python/Ruby/DB columns, PascalCase for classes and React components. Instantly convert between 10+ styles.
Text Case Conversion Rules
camelCase: first word lowercase, subsequent words capitalized (myVariableName). PascalCase: every word capitalized (MyClassName). snake_case: all lowercase with underscores (my_variable). kebab-case: all lowercase with hyphens (my-variable).
자주 묻는 질문
What's the difference between camelCase and PascalCase?
camelCase starts lowercase (variables, functions). PascalCase starts uppercase (classes, interfaces, React components). Both use capitalization to separate words without delimiters.
Which case should I use for constants?
CONSTANT_CASE (UPPER_SNAKE_CASE) like MAX_SIZE, API_BASE_URL is the universal convention for constants — instantly recognizable as immutable values.
How to enforce naming conventions across my team?
Set up ESLint naming-convention rules to auto-check on commit. Use this converter for quick batch conversion of identifiers during refactoring.