question: final public void println ( String s ) { Writer out = this . out ; if ( out == null ) return ; try { if ( s == null ) out . write ( _nullChars , 0 , _nullChars . length ) ; else out . write ( s , 0 , s . length ( ) ) ; out . write ( _newline , 0 , _newline . length ) ; } catch ( IOException e ) { log . log ( Level . FINE , e . toString ( ) , e ) ; } }
target:  Writes a string followed by a newline.