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All the case styles explained

UPPER CASE converts every letter to capitals. lower case does the opposite. Title Case capitalises the first letter of every word. Sentence case capitalises only the first letter of each sentence.

camelCase and PascalCase are used in programming. snake_case and kebab-case replace spaces with underscores or hyphens. CONSTANT_CASE is snake_case in all caps, standard for environment variables and constants.