public class Inventory {
    private Item[] items;

    public Inventory(Item[] items) {
        super();
        this.items = items;
    }

    public void updateQuality() {
        for (int i = 0; i < items.length; i++) {  
            if (!items[i].getName().equals("Aged Brie")) {  //if item is not "Age Brie"
                if (items[i].getQuality() > 0) {  //if item price >0
                    if (!items[i].getName().equals("Sulfuras, Hand of Ragnaros")) { //if item is not Sulfuras
                        items[i].setQuality(items[i].getQuality() - 1); //item quality -1
                    }
                }
            } else {
                if (items[i].getQuality() < 50) { //if item quality <50
                    items[i].setQuality(items[i].getQuality() + 1); //  quality = getQuality +1
                }
            }

            if (!items[i].getName().equals("Sulfuras, Hand of Ragnaros")) { // if item is not Sulfuras
                items[i].setSellIn(items[i].getSellIn() - 1);  //sellin = sellin -1
            }

            if (items[i].getSellIn() < 0) {     //if sellin < 0 
                if (!items[i].getName().equals("Aged Brie")) {  //if item is not "Age Brie"
                  items[i].setQuality(items[i].getQuality() - 1); //item quality -1
                } else {
                    if (items[i].getQuality() < 50) {   
                        items[i].setQuality(items[i].getQuality() + 1);
                    }    // it is "Age Brie", quality = quality +1
                }
            }
        }
}
}