diff --git a/w5 Shape/Circle.java b/w5 Shape/Circle.java
new file mode 100644
index 0000000..91de31b
--- /dev/null
+++ b/w5 Shape/Circle.java	
@@ -0,0 +1,6 @@
+public class Circle extends Shape {
+	@Override
+	public void draw() {
+		System.out.println("绘制一个圆形");
+	}
+}
\ No newline at end of file
diff --git a/w5 Shape/Rectangle.java b/w5 Shape/Rectangle.java
new file mode 100644
index 0000000..70bfee8
--- /dev/null
+++ b/w5 Shape/Rectangle.java	
@@ -0,0 +1,6 @@
+public class Rectangle extends Shape {
+	@Override
+	public void draw() {
+		System.out.println("绘制一个矩形");
+	}
+}
\ No newline at end of file
diff --git a/w5 Shape/Shape.java b/w5 Shape/Shape.java
new file mode 100644
index 0000000..ee4fea3
--- /dev/null
+++ b/w5 Shape/Shape.java	
@@ -0,0 +1,5 @@
+public class Shape {
+	public void draw() {
+		System.out.println("绘制一个形状");
+	}
+}
\ No newline at end of file
diff --git a/w5 Shape/TestShape.java b/w5 Shape/TestShape.java
new file mode 100644
index 0000000..416244e
--- /dev/null
+++ b/w5 Shape/TestShape.java	
@@ -0,0 +1,15 @@
+public class TestShape {
+
+	public static void drawShape(Shape s) {
+		s.draw();
+	}
+
+	public static void main(String[] args) {
+		Shape shape = new Shape();
+		Circle circle = new Circle();
+		Rectangle rectangle = new Rectangle();
+		drawShape(shape);
+		drawShape(circle);
+		drawShape(rectangle);
+	}
+}
\ No newline at end of file