FizzBuzz

src/main/java/FizzBuzz.java

@@ -1,2 +1,15 @@
 public class FizzBuzz {
+
+    public String fizzBuzz(int x){
+        if(x%3==0 && x%5==0){
+            return "FizzBuzz";
+        }else if(x%5==0){
+            return "Buzz";
+        }else if(x%3==0){
+            return "Fizz";
+        }else{
+            System.out.println(x);
+        }
+
+  return null;  }
 }

src/test/java/FizzBuzzTest.java

@@ -1,2 +1,37 @@
+import org.junit.Assert;
+import org.junit.Test;
+
+import java.util.OptionalDouble;
+
 public class FizzBuzzTest {
+    FizzBuzz tdd = new FizzBuzz();
+
+  @Test
+  public void fizzBuzzTest(){
+      String expected =  "Fizz";
+
+      String actual = tdd.fizzBuzz(9);
+
+ Assert.assertEquals("Should return 'fizz'", expected,actual);
+  }
+
+
+    @Test
+    public void fizzBuzzTest2(){
+        String expected =  "Buzz";
+
+        String actual = tdd.fizzBuzz(10);
+
+        Assert.assertEquals("Should return 'Buzz'", expected,actual);
+    }
+
+
+    @Test
+    public void fizzBuzzTest3(){
+        String expected =  "FizzBuzz";
+
+        String actual = tdd.fizzBuzz(15);
+        Assert.assertEquals("Should return 'FizzBuzz'", expected,actual);
+    }
+
 }