A selection of utility methods for accessing Unicode information about Characters and performing locale-aware transformations on Strings:

• uppercase and lowercase change the case of a String according to the rules of a certain locale,
• graphemes, words, and sentences allow iteration of the Unicode graphemes, words, and sentences in a String, according to locale-specific rules,
• characterName returns the Unicode character name of a character, and
• generalCategory and directionality return the Unicode general category and directionality of a Character.