diff --git a/assignment3/Question1/StartGrading.java b/assignment3/Question1/StartGrading.java
new file mode 100644
index 0000000..9214049
--- /dev/null
+++ b/assignment3/Question1/StartGrading.java
@@ -0,0 +1,74 @@
+public class StartGrading {	
+	public static void testMammal() {
+		Mammal m = new Mammal("some name");
+		System.out.println(m.getName() == "some name");
+		System.out.println(m.isCookable() == false); // Message printed too.
+	}
+
+	public static void testHuman() {
+		Human h = new Human();
+		// getName is inherited from Mammal.
+		System.out.println(h.getName() == "Alice");
+		System.out.println(h.isCookable() == false);  // No message printed.
+	}
+
+
+	public static void testRabbit() {
+		Rabbit r = new Rabbit("Bugs Bunny", 20.0);
+		// getName is inherited from Mammal.
+		System.out.println(r.getName() == "Bugs Bunny");
+		System.out.println(r.getWeight() == 20.0);
+		System.out.println(r.isCookable() == true);
+	}
+
+
+	public static void testEuropeanRabbit() {
+		// Testing the first constructor.
+		EuropeanRabbit er1 = new EuropeanRabbit("black bunny", 3.0);
+		// getName is inherited from Mammal.
+		System.out.println(er1.getName() == "black bunny");
+		// getWeight is inherited from Rabbit.
+		System.out.println(er1.getWeight() == 3.0);
+		// isCookable is inherited from Rabbit.
+		System.out.println(er1.isCookable() == true);
+		// Testing the second constructor.
+		EuropeanRabbit er2 = new EuropeanRabbit("white rabbit");
+		// getName is inherited from Mammal.
+		System.out.println(er2.getName() == "white rabbit");
+		// getWeight is inherited from Rabbit.
+		System.out.println(er2.getWeight() == 2.0);
+		// isCookable is inherited from Rabbit.
+		System.out.println(er2.isCookable() == true);
+	}
+
+	public static void testLapinSauteChasseur() {
+		LapinSauteChasseur lsc = new LapinSauteChasseur();
+		// getName is inherited from Mammal.
+		System.out.println(lsc.getName() == "Delicious");
+		// getWeight is inherited from Rabbit.
+		System.out.println(lsc.getWeight() == 0.5);
+		// isCookable is inherited from Rabbit.
+		System.out.println(lsc.isCookable() == true);
+	}
+	
+
+	public static void testFrankTheRabbit() {
+		FrankTheRabbit ftr = new FrankTheRabbit();
+		// getName is inherited from Mammal.
+		System.out.println(ftr.getName() == "Frank");
+		// getWeight is inherited from Rabbit.
+		System.out.println(ftr.getWeight() == 100.0);
+		// isCookable is from FrankTheRabbit itself.
+		System.out.println(ftr.isCookable() == false);
+	}
+
+	public static void main(String[] args) {
+		testMammal();
+		testHuman();
+		testRabbit();
+		testEuropeanRabbit();
+		testLapinSauteChasseur();
+		testFrankTheRabbit();
+	}
+
+}
diff --git a/assignment3/Question2/StartGrading.java b/assignment3/Question2/StartGrading.java
new file mode 100644
index 0000000..1abf0a4
--- /dev/null
+++ b/assignment3/Question2/StartGrading.java
@@ -0,0 +1,90 @@
+public class StartGrading {	
+	public static void testMammal() {
+		Mammal m = new Mammal("some name");
+		System.out.println(m.getName() == "some name");
+		System.out.println(m.isCookable() == false); // Message printed too.
+	}
+
+	public static void testHuman() {
+		Human h = new Human();
+		// getName is inherited from Mammal.
+		System.out.println(h.getName() == "Alice");
+		System.out.println(h.isCookable() == false);  // No message printed.
+	}
+
+
+	public static void testRabbit() {
+		Rabbit r = new Rabbit("Bugs Bunny", 20.0);
+		// getName is inherited from Mammal.
+		System.out.println(r.getName() == "Bugs Bunny");
+		System.out.println(r.getWeight() == 20.0);
+		System.out.println(r.isCookable() == true);
+	}
+
+
+	public static void testEuropeanRabbit() {
+		// Testing the first constructor.
+		EuropeanRabbit er1 = new EuropeanRabbit("black bunny", 3.0);
+		// getName is inherited from Mammal.
+		System.out.println(er1.getName() == "black bunny");
+		// getWeight is inherited from Rabbit.
+		System.out.println(er1.getWeight() == 3.0);
+		// isCookable is inherited from Rabbit.
+		System.out.println(er1.isCookable() == true);
+		// Testing the second constructor.
+		EuropeanRabbit er2 = new EuropeanRabbit("white rabbit");
+		// getName is inherited from Mammal.
+		System.out.println(er2.getName() == "white rabbit");
+		// getWeight is inherited from Rabbit.
+		System.out.println(er2.getWeight() == 2.0);
+		// isCookable is inherited from Rabbit.
+		System.out.println(er2.isCookable() == true);
+	}
+
+	public static void testLapinSauteChasseur() {
+		LapinSauteChasseur lsc = new LapinSauteChasseur();
+		// getName is inherited from Mammal.
+		System.out.println(lsc.getName() == "Delicious");
+		// getWeight is inherited from Rabbit.
+		System.out.println(lsc.getWeight() == 0.5);
+		// isCookable is inherited from Rabbit.
+		System.out.println(lsc.isCookable() == true);
+	}
+	
+
+	public static void testFrankTheRabbit() {
+		FrankTheRabbit ftr = new FrankTheRabbit();
+		// getName is inherited from Mammal.
+		System.out.println(ftr.getName() == "Frank");
+		// getWeight is inherited from Rabbit.
+		System.out.println(ftr.getWeight() == 100.0);
+		// isCookable is from FrankTheRabbit itself.
+		System.out.println(ftr.isCookable() == false);
+	}
+
+	public static void testCastIronPot() {
+		// In the testCastIronPot method, create a lapin saute chasseur called lsc1...
+		LapinSauteChasseur lsc1 = new LapinSauteChasseur();
+		// then create a cast iron pot with this lapin saute chasseur in it.
+		CastIronPot cip = new CastIronPot(lsc1); // Implicit upcast from LapinSauteChasseur to Rabbit.
+		// Then get the lapin saute chasseur from the cast iron pot...
+		Rabbit r = cip.getRabbit();
+		// and store it into a local variable called lsc2 of type LapinSauteChasseur.
+		LapinSauteChasseur lsc2 = (LapinSauteChasseur)r; // Downcast mandatory!
+		// Use the == operator to check that lsc1 and lsc2 are the same lapin Saute Chasseur.
+		System.out.println(lsc1 == lsc2);
+	}
+
+
+	public static void main(String[] args) {
+		testMammal();
+		testHuman();
+		testRabbit();
+		testEuropeanRabbit();
+		testLapinSauteChasseur();
+		testFrankTheRabbit();
+		testCastIronPot();
+	}
+
+
+}