A company is looking for a program that can help keep track of their inventory for an array of inventories. There are two types of inventory accounts ─ toys and clothes.
Implement the following classes and methods.
Inventory class:
Instance variable:
Invbalance
Received method ─ add the incoming inventory to the current balance.
Sold method ─ subtract the outgoing inventory from the current balance. Don’t allow the balance to go below zero. If the balance does go below zero, change the balance to zero.
Display method ─ This must be an abstract method.
Toys class:
No new instance variables.
toyssold method ─ subtract the amount sold from the current inventory.
display method ─ print the type of inventory, toys, and then the balance of inventory. Study the output for details.
Clothing class:
Instance variable:
Returnclothes – for every amount of clothing sold there is a percent that is returned
addReturns method ─ calculates the returns by multiplying the Returnclothes by the current amount of clothing sold. Add the returns to the amount of clothing.
display method ─ print the type of inventory, clothing, and then the balance of inventory.
Provide appropriate constructors and additional methods as necessary. Study the given main method and output for details. Hint: Don’t allow the inventory to go below zero. If the inventory does go below zero, change the inventory to zero.
Provide a driver class that tests your three classes. Your driver class should contain this main method:
public static void main(String[] args)
{
Inventory[] inventory = new Inventory[200];
inventory[0] = new Clothing(500);
inventory[0].received(100);
inventory[0].sold(200, .05);
((Clothing) inventory[0]).addReturns();
inventory[1] = new Toys(-100);
inventory[1].received(50);
inventory[2] = new Toys(200);
inventory[2].sold(210);
inventory[2].received(100);
((Toys) inventory[2]).toyssold(75);
for (int i=0; i<inventory.length && inventory[i] != null; i++)
{
inventory[i].display();
}
} // end main
Output:
Clothing Inventory = 410
Toys Inventory = 50
Toys Inventory = 25
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