Completed

src/main/java/FizzBuzz.java

@@ -1,2 +1,18 @@
+
 public class FizzBuzz {
-}
+
+
+    public String of(int num) {
+        if (num % 15 == 0) {
+            return "FizzBuzz";
+
+        } else if (num % 5 == 0) {
+                return "Buzz";
+            } else if (num % 3 == 0){
+            return "Fizz";
+        } else {
+                return String.valueOf(num);
+            }
+
+        }
+    }

src/test/java/FizzBuzzTest.java

@@ -1,2 +1,64 @@
+import org.junit.Assert;
+import org.junit.Test;
+
 public class FizzBuzzTest {
+
+@Test
+public void testFifteen() {
+
+    //Given
+
+    FizzBuzz liftUp = new FizzBuzz();
+    String differentWord = "FizzBuzz";
+
+    //When
+    String awesome = liftUp.of(15);
+    Assert.assertEquals(differentWord, awesome);
+
+
+
 }
+@Test
+    public void testFive() {
+
+        //Given
+
+        FizzBuzz FitBit = new FizzBuzz();
+        String newWord = "Buzz";
+
+        //When
+        String hamburger = FitBit.of(5);
+        Assert.assertEquals(newWord, hamburger);
+
+    }
+
+
+@Test
+public void testThree() {
+
+    //Given
+    FizzBuzz Fizzbuzz = new FizzBuzz();
+    String expWord = "Fizz";
+
+    //When
+    String actWord = Fizzbuzz.of(3);
+
+    Assert.assertEquals(expWord, actWord );
+
+    }
+    @Test
+    public void numberAsString() {
+
+        //Given
+
+        FizzBuzz nooo = new FizzBuzz();
+        String differentWord = "4";
+
+        //When
+        String hello = nooo.of(4);
+        Assert.assertEquals(differentWord, hello);
+
+    }
+
+}
+