Create a class Cola Vending Machine. This class is simulating a cola vending machine. It keeps track of how many cola bottles are in the class and how much one bottle costs. There should be a method sell Bottle which sells one bottle to a customer, decreases the amount of bottles left. There also is a method restock which sets the number of bottles to the number it is restocked to. Write a main method to test the functionality of the Cola Vending Machine machine.

public class CocaColaVending {

private int numBottles;

private double costPerBottle;

public CocaColaVending (int numBottles, double costPerBottle) {

this. numBottles = numBottles;

this. costPerBottle = costPerBottle;

}

public int getNumBottles () {

return numBottles;

}

public void setNumBottles (int numBottles) {

this. numBottles = numBottles;

}

public double getCostPerBottle () {

return costPerBottle;

}

public void setCostPerBottle (double costPerBottle) {

this. costPerBottle = costPerBottle;

}

public void sellBottles (int numSold) {

int remainingStock = this. numBottles-numSold;

setNumBottles (remainingStock);

}

public void restockBottles (int numRestock) {

int newStock = this. numBottles+numRestock;

setNumBottles (newStock);

}

}

THE TEST CLASS IS showing the functionality of the class is given in the explanation section

Explanation:

public class CocaColaVendingTest {

public static void main (String[] args) {

CocaColaVending vending = new CocaColaVending (1000,2.3);

System. out. println ("Intial Stock " + vending. getNumBottles ());

vending. sellBottles (240);

System. out. println ("After Selling 240 bottles " + vending. getNumBottles ());

vending. restockBottles (1000);

System. out. println ("After restocking 1000 bottles " + vending. getNumBottles ());

}

}