question: public static String whitespace ( int n ) { if ( n < WHITESPACE_BUFFER_LENGTH ) { return WHITESPACE_BUFFER . substring ( 0 , n ) ; } char [ ] buf = new char [ n ] ; for ( int i = 0 ; i < n ; i ++ ) { buf [ i ] = WHITESPACE_BUFFER . charAt ( 0 ) ; } return new String ( buf ) ; }
target:  Returns a string with the specified number of whitespace.