A Java program to route trucks to destination via hubs.
This program contains:
a. DerivedTruck.java: Contains implementation of abstract class Truck
b. DerivedHub.java: Contains implementation of abstract class Hub
c. DerivedNetwork.java: Contains implementation of abstract class Network
d. FactoryDemo.java: Contains implementation of abstract class Factory
e. DerivedHighway.java: Contains implementation of abstract class Highway
Some more files to be uploaded later.