Close #969 (#972)

repository/src/main/resources/logback.xml

@@ -42,11 +42,11 @@
 
     <logger name="com.iluwatar" additivity="false">
         <level value="DEBUG"/>
-        <appender-ref ref="FILE"/>
+        <appender-ref ref="STDOUT"/>
     </logger>
 
     <root level="WARN">
-        <appender-ref ref="STDOUT"/>
+        <appender-ref ref="FILE"/>
     </root>
 
 </configuration>