Dynamic Polymorphism

src/App.java

@@ -1,5 +1,6 @@
 public class App {
+    //Each Exercise can run individualy, but I intend to create a main code where all the exercises with explanations can be outputted.
     public static void main(String[] args) {
-        System.out.println(" Lets run the codes! ");
+        System.out.println(" I'm still working on the codes. But for now, you can run each one individualy");
     }
 }

src/Objects/Animal.java

@@ -5,4 +5,7 @@ public class Animal {
     public void speak(){
         System.out.println("The animal is speaking");
     }
+    public void animalSpeak(){
+        System.out.println("*grrr*");    
+    }; 
 }

src/Objects/Cat.java

@@ -0,0 +1,12 @@
+package Objects;
+
+public class Cat extends Animal {
+    @Override
+    public void speak(){
+        System.out.println("Cat goes MEOW MEOW MEOW MEOOOOOOOOOOOOOW");
+    }
+	@Override
+	public void animalSpeak(){
+		System.out.println("*meow*");	
+	}
+}

src/Objects/Dog.java

@@ -5,4 +5,8 @@ public class Dog extends Animal{
 	public void speak() {
 		System.out.println("The dog goes *bark*");
 	}
+	@Override
+	public void animalSpeak(){
+		System.out.println("*bark*");	
+	}
 }

src/files/DynamicPolymorphism.java

@@ -0,0 +1,36 @@
+package files;
+
+import java.util.Scanner;
+
+import Objects.Animal;
+import Objects.Cat;
+import Objects.Dog;
+
+public class DynamicPolymorphism {
+    public static void main(String[] args) {
+        run();
+    }
+    public static void run() {
+        Scanner scanner = new Scanner(System.in);
+        Animal animal;
+
+        System.out.println("What animal do you want?"); 
+        System.out.print("(1=dog) or (2=cat): ");
+        int choice = scanner.nextInt();
+
+        if(choice==1) {
+        animal = new Dog();
+        animal.speak();
+        }
+        else if(choice==2) {
+        animal = new Cat();
+        animal.speak();
+        }
+        else {
+        animal = new Animal();
+        System.out.println("That choice was invalid");
+        animal.speak();
+        }
+        scanner.close();
+    }
+}