diff --git a/src/classes/j.h b/src/classes/j.h
new file mode 100644
index 0000000000000000000000000000000000000000..20fae0b1ae664835fb27bef3efe5bd01e2de108f
--- /dev/null
+++ b/src/classes/j.h
@@ -0,0 +1,10 @@
+
+class obstacle : public abstractobject
+{
+
+//constructor
+obstacle()
+{
+}
+
+}
\ No newline at end of file