diff --git a/uil/uil-practice-armstrong/java/.idea/vcs.xml b/uil/uil-practice-armstrong/java/.idea/vcs.xml
new file mode 100644
index 0000000..c2365ab
--- /dev/null
+++ b/uil/uil-practice-armstrong/java/.idea/vcs.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="$PROJECT_DIR$/../../.." vcs="Git" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/uil/uil-practice-armstrong/java/src/question26.java b/uil/uil-practice-armstrong/java/src/question26.java
new file mode 100644
index 0000000..e69de29