What’s the difference between uppercase and titlecase. Frankly, I never heard of titlecase before. In java there are seperate methods for both: Character.isTitleCase(char) Character.isUpperCase(char) Some websites define it as follows: TitleCase: Matches characters that combine an uppercase letter with a lowercase letter, such as Nj and Dz But there must be more to it: the isTitleCase(char) method only accepts 1