“Char cannot be dereferenced” error

Question

I\'m trying to use the char method isLetter(), which is supposed to return boolean value corresponding to whether the character is a letter. But when I call the

Answer 1

If Character.isLetter(ch) looks a bit wordy/ugly you can use a static import.

import static java.lang.Character.*;


if(isLetter(ch)) {

} else if(isDigit(ch)) {

}