Java Factory Pattern Hackerrank Solution

 Java Factory Pattern Hackerrank Solution

For Explanation Click Here:

Sample Input 1

cake

Sample Output 1

The factory returned class Cake
Someone ordered a Dessert!

Sample Input 2

pizza

Sample Output 2

The factory returned class Pizza
Someone ordered Fast Food!

Code:

import java.util.*;
import java.security.*;
interface Food {
     public String getType();
    }
    class Pizza implements Food {
     public String getType() {
     return "Someone ordered a Fast Food!";
     }
    }
    class Cake implements Food {
     public String getType() {
     return "Someone ordered a Dessert!";
     }
    }
    class FoodFactory {
        public Food getFood(String order) {
            if("cake".equals(order)){
                return new Cake();
            }else if("pizza".equals(order)){
                return new Pizza();
            }
            return null;
}//End of getFood method
    }//End of factory class
    public class Solution {
     public static void main(String args[]){
            Do_Not_Terminate.forbidExit();
        try{
            Scanner sc=new Scanner(System.in);
            //creating the factory
            FoodFactory foodFactory = new FoodFactory();
    
            //factory instantiates an object
            Food food = foodFactory.getFood(sc.nextLine());
    
            
            System.out.println("The factory returned "+food.getClass());
            System.out.println(food.getType());
        }
        catch (Do_Not_Terminate.ExitTrappedException e) {
            System.out.println("Unsuccessful Termination!!");
        }
     }
    }
    class Do_Not_Terminate {
         
        public static class ExitTrappedException extends SecurityException {
            private static final long serialVersionUID = 1L;
        }
     
        public static void forbidExit() {
            final SecurityManager securityManager = new SecurityManager() {
                @Override
                public void checkPermission(Permission permission) {
                    if (permission.getName().contains("exitVM")) {
                        throw new ExitTrappedException();
                    }
                }
            };
            System.setSecurityManager(securityManager);
        }
    }