diff --git a/ShapeConverter.java b/ShapeConverter.java
new file mode 100644
index 0000000..1a77684
--- /dev/null
+++ b/ShapeConverter.java
@@ -0,0 +1,19 @@
+package ��ս2;
+
+import ����2.Shape;
+
+/**
+ * 图形转换接口
+ * @author The Administrator
+ * @version 1.0
+ * @created 26-10��-2025 14:20:13
+ */
+interface ShapeConverter extends Circle, Ellipse {
+
+	/**
+	 * 
+	 * @param shape
+	 */
+	public Shape convert(Shape shape);
+
+}
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