1 files changed, 11 insertions, 0 deletions
diff --git a/src/main/java/design/persistence/importexport/DataHandler.java b/src/main/java/design/persistence/importexport/DataHandler.java
new file mode 100644
index 0000000..59df9be
--- /dev/null
+++ b/src/main/java/design/persistence/importexport/DataHandler.java
@@ -0,0 +1,11 @@
+package design.persistence.importexport;
+
+import java.io.File;
+import java.io.IOException;
+
+public interface DataHandler {
+
+    void importData(File file) throws IOException;
+
+    void exportData(File file) throws IOException;
+}