Need those 3 questions answered from the code

Programming II Comp 271 Given this code answer the questions on the next page publie clase Pzadry publie statio vold mainStringt) arg) EPn systen out.printin rP TO-ge ordeE0 abstzact class Piza inplements Comparablecpiz protected String size private Date time ordered protected double costi protected steing toppings public static String store"inny'" public PLzza ico cost- publie PLEzA (String size) this size-size time order new java.util.Date0 Eoppings publie string get soD public abstract void add topping (String topping) return thisnizo public doublo got_costo cetuen this.cost: public void set_cost (double cost) this.coat -cost: public int compareTo (Pizza ap) ( it (size.equalsignorecase (sp.size)) if (eost sp.cost) else return 1 public string get ordero return ("A size pizza"vas ordered and costs cost)