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jv-oop

  • Create class Machine containing methods public abstract void doWork() and public abstract void stopWork().
  • Create classes Truck, Bulldozer, and Excavator that will inherit from Machine.
  • In those classes override doWork(), so it will print a message that a certain machine started its work.
  • Override stopWork() as well. It should print messages that certain machines stopped working.
  • In the MainApp class create a Machine array with Truck, Bulldozer, and Excavator and call methods doWork() and stopWork() in a loop.

Try to avoid these common mistakes, while solving task