Java Reference
In-Depth Information
Method
Is the Character…
an
ISO
control character?
isISOControl
valid to start a source code identifier?
isJavaIdentifierStart
valid after the first character of a source
code identifier?
isJavaIdentifierPart
a letter?
isLetter
a letter or digit?
isLetterOrDigit
a lowercase letter?
isLowerCase
a space?
isSpaceChar
a titlecase letter?
isTitleCase
valid to start a Unicode identifier?
isUnicodeIdentifierStart
valid after the first character of a
Unicode identifier?
isUnicodeIdentifierPart
an uppercase letter?
isUpperCase
a source code whitespace character?
isWhitespace
