diff --git a/src/main/java/com/example/demo/DemoApplication-kopia.java b/src/main/java/com/example/demo/DemoApplicationKopia.java
similarity index 89%
rename from src/main/java/com/example/demo/DemoApplication-kopia.java
rename to src/main/java/com/example/demo/DemoApplicationKopia.java
index a6fd6a1..762acd9 100644
--- a/src/main/java/com/example/demo/DemoApplication-kopia.java
+++ b/src/main/java/com/example/demo/DemoApplicationKopia.java
@@ -4,7 +4,7 @@ import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
 
 @SpringBootApplication
-public class DemoApplication {
+public class DemoApplicationKopia {
 
 	public static void main(String[] args) {
 
diff --git a/src/main/java/com/example/demo/domain/UserEntity.java b/src/main/java/com/example/demo/domain/UserEntity.java
new file mode 100644
index 0000000..6ecb680
--- /dev/null
+++ b/src/main/java/com/example/demo/domain/UserEntity.java
@@ -0,0 +1,2 @@
+package com.example.demo.domain;public class UserEntity {
+}