finally finished both classes and interfaces

pom.xml

@@ -7,7 +7,10 @@
     <groupId>io.zipcoder</groupId>
     <artifactId>Interfaces</artifactId>
     <version>1.0-SNAPSHOT</version>
-
+    <properties>
+        <maven.compiler.source>1.8</maven.compiler.source>
+        <maven.compiler.target>1.8</maven.compiler.target>
+    </properties>
     <dependencies>
         <dependency>
             <groupId>junit</groupId>

src/main/java/io/zipcoder/pets/Application.java

@@ -0,0 +1,77 @@
+package io.zipcoder.pets;
+
+import io.zipcoder.pets.Pets;
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.Comparator;
+import java.util.Scanner;
+
+public class Application {
+
+    private ArrayList<Pets> petList;
+
+
+    public Application() {
+        this.petList = new ArrayList<Pets>();
+
+    }
+
+    public void setPetList(ArrayList<Pets> petList) {
+        this.petList = petList;
+    }
+
+    public ArrayList<Pets> getPetList() {
+        return petList;
+    }
+
+    public int askForPets() {
+        Scanner in = new Scanner(System.in);
+        System.out.println("Please input the number of pets you own:");
+        return in.nextInt();
+    }
+
+    public ArrayList<Pets> createPetList() {
+        int numberOfPets = askForPets();
+        Scanner scan = new Scanner(System.in);
+        for (int i = 0; i < numberOfPets; i++) {
+            System.out.println("Please enter type of pet for pet # " + (i + 1));
+            String type = scan.nextLine();
+            System.out.println("Please enter pet's name");
+            String name = scan.nextLine();
+            petList.add(PetFactory.createPets(type, name));
+        }
+        setPetList(petList);
+        return petList;
+    }
+
+    @Override
+    public String toString() {
+        ArrayList<Pets> petList = getPetList();
+        StringBuilder petString = new StringBuilder();
+        for (Pets pet: petList) {
+            petString.append("My name is ")
+                    .append(pet.getName())
+                    .append(" and I say ")
+                    .append(pet.speak())
+                    .append(".  ");
+        }
+        return petString.toString();
+
+    }
+
+    public ArrayList<Pets> sortPetsByType() {
+        Collections.sort(petList, Comparator.comparing(Pets::getType).thenComparing(Pets::getName));
+        return petList;
+    }
+
+    public ArrayList<Pets> sortPetsByName() {
+        Collections.sort(petList, Comparator.comparing(Pets::getName).thenComparing(Pets::getType));
+        return petList;
+    }
+
+}
+
+
+
+

src/main/java/io/zipcoder/pets/Cat.java

@@ -0,0 +1,27 @@
+package io.zipcoder.pets;
+
+public class Cat extends Pets {
+
+    private String type;
+
+    public Cat(String name) {
+        super(name);
+        this.type = "cat";
+    }
+
+
+    public void setType(String type) {
+        this.type = "cat";
+    }
+
+    @Override
+    public String getType(){
+        return this.type;
+    }
+
+
+    @Override
+    public String speak(){
+        return "Meow";
+    }
+}

src/main/java/io/zipcoder/pets/Dog.java

@@ -0,0 +1,28 @@
+package io.zipcoder.pets;
+
+public class Dog extends Pets {
+
+    private String type;
+
+
+    public Dog(String name) {
+        super(name);
+        this.type = "dog";
+    }
+
+
+    public void setType(String type) {
+        this.type = "dog";
+    }
+
+
+    public String getType() {
+        return type;
+    }
+
+
+    @Override
+    public String speak() {
+        return "Woof";
+    }
+}

src/main/java/io/zipcoder/pets/Main.java

@@ -0,0 +1,12 @@
+package io.zipcoder.pets;
+
+import java.util.ArrayList;
+
+public class Main {
+    public static void main(String[] args){
+        Application app = new Application();
+        ArrayList<Pets> pets = app.createPetList();
+        String petString = app.toString();
+        System.out.println(petString);
+    }
+}

src/main/java/io/zipcoder/pets/Parrot.java

@@ -0,0 +1,33 @@
+package io.zipcoder.pets;
+
+public class Parrot extends Pets {
+
+
+    private String type;
+
+    public Parrot() {
+        this.type = "parrot";
+    }
+
+    public Parrot(String name) {
+        super(name);
+        this.type = "parrot";
+    }
+
+
+    public void setType(String type) {
+        this.type = "parrot";
+    }
+
+    public String getType() {
+        return type;
+    }
+
+
+    @Override
+    public String speak() {
+        return "Hello";
+    }
+
+
+}

src/main/java/io/zipcoder/pets/PetFactory.java

@@ -0,0 +1,16 @@
+package io.zipcoder.pets;
+
+public class PetFactory {
+
+    public static Pets createPets(String pet, String name) {
+        if(pet.equalsIgnoreCase("dog")) {
+            return new Dog(name);
+        } else if (pet.equalsIgnoreCase("cat")) {
+            return new Cat(name);
+        } else if (pet.equalsIgnoreCase("parrot")) {
+            return new Parrot(name);
+        }
+        return null;
+    }
+
+}

src/main/java/io/zipcoder/pets/Pets.java

@@ -0,0 +1,38 @@
+package io.zipcoder.pets;
+
+import java.util.Comparator;
+
+public abstract class Pets{
+
+    private String name;
+    private String type;
+
+    public Pets() {
+        this.name = "";
+    }
+
+    public Pets(String name) {
+        this.name = name;
+    }
+    public void setType(String type) {
+        this.type = type;
+    }
+
+    public String getType() {
+        return type;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public String getName() {
+        return this.name;
+    }
+
+    public abstract String speak();
+
+
+
+}
+

src/test/java/io/zipcoder/pets/ApplicationTest.java

@@ -0,0 +1,74 @@
+package io.zipcoder.pets;
+
+import org.junit.Test;
+import org.junit.Assert;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.Comparator;
+
+public class ApplicationTest {
+
+    @Test
+    public void testCreatePetList(){
+        Application app = new Application();
+        Pets dog = PetFactory.createPets("dog", "Sandy");
+        String expected = "Sandy";
+        ArrayList<Pets> pets = new ArrayList<>(Arrays.asList(dog));
+        app.setPetList(pets);
+        String actual = app.getPetList().get(0).getName();
+        Assert.assertEquals(expected, actual);
+    }
+
+    @Test
+    public void testPetsToString(){
+        Application app = new Application();
+        String expected = "My name is Sandy and I say Woof.  ";
+        Pets dog = PetFactory.createPets("dog", "Sandy");
+        ArrayList<Pets> pets = new ArrayList<>(Arrays.asList(dog));
+        app.setPetList(pets);
+        String actual = app.toString();
+        Assert.assertEquals(expected, actual);
+    }
+
+
+    @Test
+    public void testCompareByName(){
+        //Given
+        Application app = new Application();
+        Pets dog = new Dog("Sandy");
+        Pets dog1 = new Dog("Molly");
+        Pets cat = new Cat("Sandy");
+        Pets cat1 = new Cat("Andy");
+        Pets parrot = new Parrot("Id");
+        ArrayList<Pets> pets = new ArrayList<>(Arrays.asList(dog, dog1, cat, cat1, parrot));
+        ArrayList<Pets> expected = new ArrayList<>(Arrays.asList(cat1, parrot, dog1, cat, dog));
+        app.setPetList(pets);
+        //When
+        app.sortPetsByName();
+        //Then
+        ArrayList<Pets> actual = app.getPetList();
+        Assert.assertEquals(expected, actual);
+    }
+    @Test
+    public void testCompareByType() {
+        //Given
+        Application app = new Application();
+        Pets dog1 = new Dog("Sandy");
+        Pets dog2 = new Dog("Molly");
+        Pets dog3 = new Dog("Ally");
+        Pets cat = new Cat("Sandy");
+        Pets cat1 = new Cat("Andy");
+        Pets parrot = new Parrot("Id");
+        ArrayList<Pets> pets = new ArrayList<>(Arrays.asList(dog1, dog2, dog3, cat, cat1, parrot));
+        ArrayList<Pets> expected = new ArrayList<>(Arrays.asList(cat1, cat, dog3, dog2, dog1, parrot));
+        app.setPetList(pets);
+        //When
+        app.sortPetsByType();
+        ArrayList<Pets> actual = app.getPetList();
+        //Then
+        Assert.assertEquals(expected, actual);
+    }
+
+}

src/test/java/io/zipcoder/pets/CatTest.java

@@ -0,0 +1,32 @@
+package io.zipcoder.pets;
+
+import org.junit.Assert;
+import org.junit.Test;
+
+public class CatTest {
+
+    @Test
+    public void testConstructor(){
+        Cat cat = new Cat("Sally");
+        String expected = "Sally";
+        String actual = cat.getName();
+        Assert.assertEquals(expected, actual);
+    }
+
+    @Test
+    public void testGetType(){
+        Cat cat = new Cat("Sally");
+        String expected = "cat";
+        cat.setType("cat");
+        String actual = cat.getType();
+        Assert.assertEquals(expected, actual);
+    }
+
+    @Test
+    public void testSpeak() {
+        Cat cat = new Cat("Sally");
+        String expected = "Meow";
+        String actual = cat.speak();
+        Assert.assertEquals(expected, actual);
+    }
+}