Finished FizzBuzz

src/main/java/FizzBuzz.java

@@ -1,2 +1,25 @@
 public class FizzBuzz {
+
+    public static void main(String[] args) {
+
+    }
+
+    public static String of(int number) {
+
+        if (number % 3 == 0 && number % 5 == 0){
+            return "FizzBuzz";
+        }
+
+        if (number % 3 == 0){
+            return "Fizz";
+        }
+
+        if (number % 5 == 0){
+            return "Buzz";
+        }
+         else {
+            return "2";
+        }
+
+    }
 }

src/test/java/FizzBuzzTest.java

@@ -1,2 +1,75 @@
+import org.junit.Assert;
+import org.junit.Test;
+
 public class FizzBuzzTest {
+
+    @Test
+    public void FizzBuzzTest() {
+        FizzBuzz buzz = new FizzBuzz();
+
+
+        //Given
+        int number = 9;
+        String expectedOutput = "Fizz";
+        //When
+        String actualOutput = buzz.of(number);
+
+
+        //Then
+        Assert.assertEquals(expectedOutput, actualOutput);
+
+    }
+
+    @Test
+    public void FizzBuzzTest2() {
+        FizzBuzz buzz = new FizzBuzz();
+
+
+        //Given
+        int number = 10;
+        String expectedOutput = "Buzz";
+        //When
+        String actualOutput = buzz.of(number);
+
+
+        //Then
+        Assert.assertEquals(expectedOutput, actualOutput);
+
+    }
+
+
+    @Test
+    public void FizzBuzzTest3() {
+        FizzBuzz buzz = new FizzBuzz();
+
+
+        //Given
+        int number = 15;
+        String expectedOutput = "FizzBuzz";
+        //When
+        String actualOutput = buzz.of(number);
+
+
+        //Then
+        Assert.assertEquals(expectedOutput, actualOutput);
+
+    }
+
+    @Test
+    public void FizzBuzzTest4() {
+        FizzBuzz buzz = new FizzBuzz();
+
+
+        //Given
+        int number = 4;
+        String expectedOutput = "2";
+        //When
+        String actualOutput = buzz.of(number);
+
+
+        //Then
+        Assert.assertEquals(expectedOutput, actualOutput);
+
+    }
+
 }