Appends the specified string to this writer.
Optionalstart: number
Start of substring in str to write
Optionalend: number
End of substring in str to write
Closes the stream, flushing it first.
Flushes the stream.
Writes an array, or portion thereof, of characters.
Optionaloff: number
Offset from which to start writing characters
Optionallen: number
Number of characters to write
Abstract class for writing to character streams. The only methods that a subclass must implement are
write(string, number, number),flush(), andclose(). Most subclasses, however, will override some of the methods defined here in order to provide higher efficiency, additional functionality, or both.See java.io.Writer for full documentation