diff --git a/src/main/java/io/zipcoder/Application.java b/src/main/java/io/zipcoder/Application.java
index 3a257cb..5f2c3b7 100644
--- a/src/main/java/io/zipcoder/Application.java
+++ b/src/main/java/io/zipcoder/Application.java
@@ -2,4 +2,10 @@
 
 
 public class Application {
+
+    public static void main(String[] args){
+        System.out.println("How many pets do you have?");
+
+    }
+
 }
diff --git a/src/main/java/io/zipcoder/pets/Cat.java b/src/main/java/io/zipcoder/pets/Cat.java
new file mode 100644
index 0000000..82095a0
--- /dev/null
+++ b/src/main/java/io/zipcoder/pets/Cat.java
@@ -0,0 +1,4 @@
+package io.zipcoder.pets;
+
+public class Cat extends Pet {
+}
diff --git a/src/main/java/io/zipcoder/pets/Dog.java b/src/main/java/io/zipcoder/pets/Dog.java
new file mode 100644
index 0000000..c7d6c5e
--- /dev/null
+++ b/src/main/java/io/zipcoder/pets/Dog.java
@@ -0,0 +1,5 @@
+package io.zipcoder.pets;
+
+public class Dog extends Pet {
+
+}
diff --git a/src/main/java/io/zipcoder/pets/Pet.java b/src/main/java/io/zipcoder/pets/Pet.java
new file mode 100644
index 0000000..b010e83
--- /dev/null
+++ b/src/main/java/io/zipcoder/pets/Pet.java
@@ -0,0 +1,8 @@
+package io.zipcoder.pets;
+
+public class Pet {
+
+    // speak()
+    // name field w/ setters and getters
+
+}
diff --git a/src/main/java/io/zipcoder/pets/Rabbit.java b/src/main/java/io/zipcoder/pets/Rabbit.java
new file mode 100644
index 0000000..084a4aa
--- /dev/null
+++ b/src/main/java/io/zipcoder/pets/Rabbit.java
@@ -0,0 +1,4 @@
+package io.zipcoder.pets;
+
+public class Rabbit extends Pet{
+}
diff --git a/src/test/java/io/zipcoder/ApplicationTest.java b/src/test/java/io/zipcoder/ApplicationTest.java
index b744df5..2e5f44e 100644
--- a/src/test/java/io/zipcoder/ApplicationTest.java
+++ b/src/test/java/io/zipcoder/ApplicationTest.java
@@ -2,4 +2,11 @@
 
 
 public class ApplicationTest {
+    Application applicationTest = new Application();
+}
+
+//@Test
+//public void userInput(){
+//    // Given
+
 }
diff --git a/src/test/java/io/zipcoder/pets/CatTest.java b/src/test/java/io/zipcoder/pets/CatTest.java
new file mode 100644
index 0000000..03281cc
--- /dev/null
+++ b/src/test/java/io/zipcoder/pets/CatTest.java
@@ -0,0 +1,16 @@
+package io.zipcoder.pets;
+
+import org.junit.Assert;
+import org.junit.Test;
+
+public class CatTest {
+
+    @Test
+    public void testMeow() {
+        Pet cat = new Cat();
+        String expected = "Meow";
+        String actual = cat.speak();
+
+        Assert.assertEquals(expected, actual);
+    }
+}
diff --git a/src/test/java/io/zipcoder/pets/DogTest.java b/src/test/java/io/zipcoder/pets/DogTest.java
new file mode 100644
index 0000000..d470d0c
--- /dev/null
+++ b/src/test/java/io/zipcoder/pets/DogTest.java
@@ -0,0 +1,15 @@
+package io.zipcoder.pets;
+
+import org.junit.Assert;
+import org.junit.Test;
+
+public class DogTest {
+    @Test
+    public void testBark() {
+        Pet dog = new Dog();
+        String expected = "Woof";
+        String actual = dog.speak();
+
+        Assert.assertEquals(expected, actual);
+    }
+}
diff --git a/src/test/java/io/zipcoder/pets/PetTest.java b/src/test/java/io/zipcoder/pets/PetTest.java
new file mode 100644
index 0000000..eccc1a5
--- /dev/null
+++ b/src/test/java/io/zipcoder/pets/PetTest.java
@@ -0,0 +1,72 @@
+package io.zipcoder.pets;
+
+import org.junit.Assert;
+import org.junit.Test;
+
+/**
+ * filename:
+ * project: Interfaces
+ * author: https://github.com/vvmk
+ * date: 2/26/18
+ */
+public class PetTest {
+    @Test
+    public void testCompareDiffPetTypePositive() {
+        Pet dog = new Dog();
+        Pet cat = new Cat();
+
+        int expected = 1;
+        int actual = cat.compareTo(dog);
+
+        Assert.assertEquals(expected, actual);
+    }
+
+    @Test
+    public void testCompareDiffPetTypeNegative() {
+        Pet Bugs = new Rabbit();
+        Pet Sylvester = new Cat();
+
+        int expected = -1;
+        int actual = Bugs.compareTo(Sylvester);
+
+        Assert.assertEquals(expected, actual);
+    }
+
+    @Test
+    public void testCompareSamePetTypeDiffNamePositive() {
+        Pet first = new Dog("Abbey");
+        Pet second = new Dog("Ziggy");
+
+        int expected = 1;
+        int actual = first.compareTo(second);
+
+        Assert.assertEquals(expected, actual);
+    }
+
+    @Test
+    public void testCompareSamePetTypeDiffNameNegative() {
+        Pet second = new Dog("Zulu");
+        Pet first = new Dog("Arnold");
+
+        int expected = -1;
+        int actual = second.compareTo(first);
+
+        Assert.assertEquals(expected, actual);
+    }
+
+    @Test
+    public void testCompareSamePetTypeSameName() {
+        Pet dog1 = new Dog("Dan");
+        Pet dog2 = new Dog("Dan");
+
+        int expected = 0;
+        int actual = dog1.compareTo(dog2);
+
+        Assert.assertEquals(expected, actual);
+    }
+
+    @Test
+    public void testToString() {
+
+    }
+}
diff --git a/src/test/java/io/zipcoder/pets/RabbitTest.java b/src/test/java/io/zipcoder/pets/RabbitTest.java
new file mode 100644
index 0000000..015e5c0
--- /dev/null
+++ b/src/test/java/io/zipcoder/pets/RabbitTest.java
@@ -0,0 +1,16 @@
+package io.zipcoder.pets;
+
+import org.junit.Assert;
+import org.junit.Test;
+
+public class RabbitTest {
+    @Test
+    public void testUhhhRabbitSoundsIDK() {
+        Pet rabbit = new Rabbit();
+        rabbit.setName("Bugs");
+        String expected = "What's up, Doc?";
+        String actual = rabbit.speak();
+
+        Assert.assertEquals(expected, actual);
+    }
+}