Modified main program added package domain with UserEntity class

src/main/java/com/example/demo/DemoApplication.java

@@ -7,6 +7,7 @@ import org.springframework.boot.autoconfigure.SpringBootApplication;
 public class DemoApplication {
 
 	public static void main(String[] args) {
+    System.out.println("Hello!");
     System.out.println("Start application");
 		SpringApplication.run(DemoApplication.class, args);
 	}

src/main/java/com/example/demo/domain/UserEntity.java

@@ -0,0 +1,2 @@
+public class UserEntity{
+}