diff --git a/app/src/test/java/sorting/SortStrategy.java b/app/src/test/java/sorting/SortStrategy.java
new file mode 100644
index 0000000..f252317
--- /dev/null
+++ b/app/src/test/java/sorting/SortStrategy.java
@@ -0,0 +1,7 @@
+package sorting;
+
+import java.util.Comparator;
+
+public interface SortStrategy<T> {
+    void sort(MyList<T> list, Comparator<T> comparator);
+}
\ No newline at end of file