diff --git a/src/main/kotlin/Hello.kt b/src/main/kotlin/Hello.kt
new file mode 100644
index 0000000..71be432
--- /dev/null
+++ b/src/main/kotlin/Hello.kt
@@ -0,0 +1,10 @@
+package com.example.sample.controller
+
+import org.springframework.web.bind.annotation.GetMapping
+import org.springframework.web.bind.annotation.RestController
+
+@RestController
+class Hello {
+    @GetMapping("/hello")
+    fun sample(): String = "Hello"
+}
diff --git a/src/main/kotlin/SpringSampleApplication.kt b/src/main/kotlin/SpringSampleApplication.kt
new file mode 100644
index 0000000..cdd8c23
--- /dev/null
+++ b/src/main/kotlin/SpringSampleApplication.kt
@@ -0,0 +1,11 @@
+package com.example.sample
+
+import org.springframework.boot.SpringApplication
+import org.springframework.boot.autoconfigure.SpringBootApplication
+
+@SpringBootApplication
+class SpringSampleApplication
+
+fun main(args: Array<String>) {
+    SpringApplication.run(SpringSampleApplication::class.java, *args)
+}
diff --git a/src/main/kotlin/com/example/sample/SpringSampleApplication.kt b/src/main/kotlin/com/example/sample/SpringSampleApplication.kt
deleted file mode 100644
index cdd8c23..0000000
--- a/src/main/kotlin/com/example/sample/SpringSampleApplication.kt
+++ /dev/null
@@ -1,11 +0,0 @@
-package com.example.sample
-
-import org.springframework.boot.SpringApplication
-import org.springframework.boot.autoconfigure.SpringBootApplication
-
-@SpringBootApplication
-class SpringSampleApplication
-
-fun main(args: Array<String>) {
-    SpringApplication.run(SpringSampleApplication::class.java, *args)
-}
diff --git a/src/main/kotlin/com/example/sample/controller/Hello.kt b/src/main/kotlin/com/example/sample/controller/Hello.kt
deleted file mode 100644
index 71be432..0000000
--- a/src/main/kotlin/com/example/sample/controller/Hello.kt
+++ /dev/null
@@ -1,10 +0,0 @@
-package com.example.sample.controller
-
-import org.springframework.web.bind.annotation.GetMapping
-import org.springframework.web.bind.annotation.RestController
-
-@RestController
-class Hello {
-    @GetMapping("/hello")
-    fun sample(): String = "Hello"
-}