Added 25 solutions

2017-02-24 00:24:47 -06:00
parent 05ce4b1476
commit af8c2969a4
50 changed files with 1562 additions and 277 deletions
@@ -0,0 +1,72 @@
+//     Author: Rodney Shaghoulian
+//     Github: github.com/rshaghoulian
+// HackerRank: hackerrank.com/rshaghoulian
+
+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) {
+        switch (order.toLowerCase()) {
+            case "pizza": 
+                return new Pizza();
+            case "cake":
+                return new Cake();
+            default: 
+                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);
+    }
+}