Profitable.java

Profitable.java

/** PROGRAM ASSIGNMENT 5     Profitable.java
  *
  * Program Description
  *  This is the Profitable interface, to be implemented in the Movie class
  *  and inherited by its subclasses.
  *
*/

package library.films;

public interface Profitable {
    
    /* Retrieve movie category */
    public abstract String getCategory();
    
    /* Calculate the film's revenue */
    public abstract double calcRevenue();
    
    /* Calculate the film's profit */
    public abstract double calcProfit();

} // end of interface