diff --git a/SimpleLinkedList/src/solution/ICommand.java b/SimpleLinkedList/src/solution/ICommand.java
new file mode 100644
index 0000000..b3130b8
--- /dev/null
+++ b/SimpleLinkedList/src/solution/ICommand.java
@@ -0,0 +1,6 @@
+package solution;
+
+public interface ICommand<E> {
+
+	void execute(E e);
+}