question: public static void send ( int src , int dest , double delay , int tag , Object data ) { if ( delay < 0 ) { throw new IllegalArgumentException ( "Send delay can't be negative." ) ; } SimEvent e = new SimEvent ( SimEvent . SEND , clock + delay , src , dest , tag , data ) ; future . addEvent ( e ) ; }
target:  Used to send an event from one entity to another.