diff --git a/src/main/java/id/ac/ui/cs/advprog/tutorial0/service/CourseServiceImpl.java b/src/main/java/id/ac/ui/cs/advprog/tutorial0/service/CourseServiceImpl.java
index 6a37b347980a94045085aba388ccc4160308414a..22d9eb1ac63871ca8a37e2144b32abd0ecc290c2 100644
--- a/src/main/java/id/ac/ui/cs/advprog/tutorial0/service/CourseServiceImpl.java
+++ b/src/main/java/id/ac/ui/cs/advprog/tutorial0/service/CourseServiceImpl.java
@@ -38,4 +38,5 @@ public class CourseServiceImpl implements CourseService {
         courseIterator.forEachRemaining(allCourses::add);
         return allCourses;
     }
+
 }
diff --git a/src/test/java/id/ac/ui/cs/advprog/tutorial0/service/CourseServiceImplTest.java b/src/test/java/id/ac/ui/cs/advprog/tutorial0/service/CourseServiceImplTest.java
new file mode 100644
index 0000000000000000000000000000000000000000..a0b71b0bff66962d6753a8e15645181f3201f088
--- /dev/null
+++ b/src/test/java/id/ac/ui/cs/advprog/tutorial0/service/CourseServiceImplTest.java
@@ -0,0 +1,16 @@
+package id.ac.ui.cs.advprog.tutorial0.service;
+
+import org.junit.jupiter.api.Test;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+class CourseServiceImplTest {
+
+    @Test
+    void create() {
+    }
+
+    @Test
+    void findAll() {
+    }
+}
\ No newline at end of file