diff --git a/Shape.java b/Shape.java
new file mode 100644
index 0000000..9975b49
--- /dev/null
+++ b/Shape.java
@@ -0,0 +1,6 @@
+public interface Shape {
+    double calculateArea();
+    double calculatePerimeter();
+    String getColor();
+    void setColor(String color);
+}
\ No newline at end of file