question: public String toString ( ) { StringBuilder buf = new StringBuilder ( ) ; buf . append ( this . coefficient ) ; if ( this . variables . length > 0 ) { buf . append ( "*" ) ; } for ( int variable : this . variables ) { buf . append ( "(V" ) ; buf . append ( variable ) ; buf . append ( ")" ) ; } return buf . toString ( ) ; }
target:  Prints out a representation of the term.