Untitled

public class TestInventory{

    public static void printCompare(InventoryItem item1, InventoryItem item2){
        switch (InventoryItem.compare(item1, item2)) {
            case -1:
                System.out.println(item1.getItemName() + " has less value than " + item2.getItemName());
                break;
            case 0:
                System.out.println(item1.getItemName() + " has equal value to " + item2.getItemName());
                break;
            case 1:
                System.out.println(item1.getItemName() + " has greater value than ");
        }

    }
    public static void printValue(InventoryItem item){
        System.out.println("Total Value: $"+ String.format("%.2f",item.getTotalValue()));
    }
    public static void main(String[] args){
        
        InventoryItem emptyItem = new InventoryItem();
        InventoryItem staplers = new InventoryItem("Stapler, Red", 91745, 7.89);
        InventoryItem pencils = new InventoryItem("Pencil, #2", 73105, 0.35, 210);
        InventoryItem notebooks = new InventoryItem("Notebook, Spiral", 68332, 2.57, 38);
        InventoryItem[] store = {emptyItem, staplers, pencils, notebooks};

        for (InventoryItem e: store){
            System.out.println(e.toString());
            printValue(e);
        }

        printCompare(pencils, notebooks);




    }
}

class InventoryItem{
    private String itemName = "TBD";
    private int sku = 0;
    private double price = 0.0;
    private int quantity = 0;

    public InventoryItem(){}

    public InventoryItem(String itemName, int sku, double price){
        this.itemName = itemName;
        this.sku = Math.abs(sku);
        this.price = Math.abs(price);
    }

    public InventoryItem(String itemName, int sku, double price, int quantity){
        this.itemName = itemName;
        this.sku = Math.abs(sku);
        this.price = Math.abs(price);
        this.quantity = Math.abs(quantity);
    }

    //GETTERS

    public String getItemName(){
        return this.itemName;
    }

    public int getSku(){
        return this.sku;
    }

    public double getPrice(){
        return this.price;
    }

    public int getQuantity(){
        return this.quantity;
    }

    //END OF GETTERS

    //SETTERS

    public void setItemName(String itemName){
        this.itemName = itemName;
    }

    public void setSku(int sku){
        this.sku = Math.abs(sku);
    }

    public void setPrice(double price){
        this.price = Math.abs(price);
    }

    public void setQuantity(int quantity){
        this.quantity = Math.abs(quantity);
    }

    //END OF SETTERS

    //METHODS

    public double getTotalValue(){
        return this.quantity*this.price;
    }

    public String toString(){
        return this.itemName + " [" + this.sku + "]: " + this.quantity + " at $" + String.format("%.2f",this.price) + " each.";
    }

    public static int compare(InventoryItem item1, InventoryItem item2){
        if (item1.getTotalValue() > item2.getTotalValue()){
            return 1;
        }else if (item1.getTotalValue() == item2.getTotalValue()){
            return 0;
        }else{
            return -1;
        }
    }

    

}