Question 1 (marks 25)Consider a program modelling a railway marshalling yard with twosidings: one siding is for Container Wagons and one is for CoalTrucks.The program has one Engine thread, and potentially many Wagonthreads and potentially many Truck threads.The Engine thread waits until there are sufficientWagons or Trucksto shunt. The Engine thread calls the method shuntWagons() ifWagons are to be shunted and/or the method shuntTrucks() ifTrucks are to be shunted.For efficiency and because of …
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