Returns true iff the reader reached the end of the stream
Close the stream
Proceeds a cursor by one
Look-ahead the first character
Rewind the scanner cursor to the last marked position
Rewind the scanner cursor to the last marked position
Return the character sequence from the last mark to the current cursor position
Return the character sequence from the last mark to the current cursor position
Return the character sequence from the first mark to the current cursor position
Return the character sequence from the first mark to the current cursor position
End of the character.
End of the character. Usually -1
An interface for reading tokens