public class Main { public static void main(String args[]) { ConveyerBelt NULL = new ConveyerBelt(); ConveyerBelt stationAB = new ConveyerBelt(); ConveyerBelt stationBC = new ConveyerBelt(); ConveyerBelt stationCD = new ConveyerBelt();
Worker workerA = new Worker(NULL, stationAB); Worker workerB = new Worker(stationAB, stationBC); Worker workerC = new Worker(stationBC, stationCD); Worker workerD = new Worker(stationCD, NULL);
