Order.java

public class Order {
    public String orderId;
    public double price;

    public Order(String orderId, double price) {
        this.orderId = orderId;
        this.price = price;
    }
    public void displayInfo() {
        System.out.println("The order id is: " + orderId + "\nThe price of the order is: " + price);
    }
    public double applyDiscount(double discountPercentage) {
        return price - (discountPercentage / price * 100);
    }
}