public class HelloWorld{
public static void main(String []args){
System.out.println("Hello World");
Product p1 = new Product(1, 50 , 9999);
Product p2 = new Product(2 , 990);
Product p3 = new Product(3 , 40 , 1);
System.out.println(p1);
System.out.println(p2.toString());
System.out.println(p3.toString());
p3.sell(50);
p1.sell(50);
}
}
class Product{
private int ID;
private int price;
private int stock;
public Product(int ID, int price, int stock)
{
this.ID = ID ;
this.price = price;
this.stock = stock;
}
public Product(int ID, int price)
{
this.ID = ID ;
this.price = price ;
stock = 0;
}
public String toString ()
{
return "This Products's ID is " + ID + ", Price is " + price + " , Stock is " + stock;
}
public void sell (int a)
{
if (stock >= a)
{
System.out.println(a * price);
}
else
{
System.out.println("Insufficient Stock");
}
stock = stock - a;
}
}
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