diff --git a/spring-boot-modules/spring-boot-1st/src/main/java/Example.java b/spring-boot-modules/spring-boot-1st/src/main/java/Example.java
index d50f5309c4..63a4212a19 100644
--- a/spring-boot-modules/spring-boot-1st/src/main/java/Example.java
+++ b/spring-boot-modules/spring-boot-1st/src/main/java/Example.java
@@ -1,7 +1,7 @@
-import org.springframework.boot.*;
-import org.springframework.boot.autoconfigure.*;
-import org.springframework.stereotype.Controller;
-import org.springframework.web.bind.annotation.*;
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
 
 @RestController
 @EnableAutoConfiguration