public class App {

   public static void main(String[] args) {
//    Dish d = new Dish;     // error
//    Dish d = new Dish();   // error, unless:
                             // - no constructor existed or
                             // - default constructor exists as well
      Dish d = new Dish(100,"giaourti");
//    System.out.println(d.name);  // If field is "private",
                                   // this case causes error
      System.out.println(d.getCalories());
   }
}

class Dish {

   // fields: class visibility

   private int calories;
   private String name;

   // constructor: package visibility

   Dish(int cal, String nam) { // CAREFUL: no use of declaring
                               // public, as class Dish has
                               // package level visibility!
      calories = cal;
      name = nam;
      System.out.println("The new dish named: " + name +
                         " contains " + calories +
                         " calories!");
   }

   // methods:
   public void eat() {  // CAREFUL: no use of declaring public,
                        // as class Dish has package level visibility!
      System.out.println("Eating " + name );
   }

   public int getCalories() {  // CAREFUL: no use of declaring
                               // public, as class Dish has
                               // package level visibility!
      return calories;
   }
}