public class TestVendingMachine

{

public static void main(String[] args)

{

VendingMachine vendingMachine = new VendingMachine();

System.out.println(vendingMachine);

vendingMachine.addQuarter();

System.out.println(vendingMachine);

vendingMachine.addQuarter();

System.out.println(vendingMachine);

vendingMachine.addDime();

System.out.println(vendingMachine);

vendingMachine.addNickel();

System.out.println(vendingMachine);

System.out.println("Buying an item");

vendingMachine.buyItem();

System.out.println(vendingMachine);

int changeReturned = vendingMachine.extractChange();

System.out.println("I got " + changeReturned + " cents back!");

System.out.println(vendingMachine);

}

}