Any ___________ argument passed to the Character class's toLowerCase method or toUpperCase method is returned as it is.

In a file directory tree structure, the "leaves" of the tree are subdirectories created by the user.

Answer the following statement true (T) or false (F)

During the parsing phase, the sequence of tokens formed by the scanner is checked to see whether it is _________ correct according to the rules of the programming language.

A. grammatically B. algorithmically C. always D. syntactically