day09-继承抽象案例--图形

day09/src/com/inmind/test08/Rectangle.java

@@ -0,0 +1,20 @@
+package com.inmind.test08;
+
+public class Rectangle extends Shape{
+
+    //继承中构造方法的传递值的方式，指定属性值
+    public Rectangle(double chang ,double width){
+        super(chang,width);
+    }
+
+
+    @Override
+    public double getArea() {
+        return getChang()*getWidth();
+    }
+
+    @Override
+    public double getZC() {
+        return 2*(getChang()+getWidth());
+    }
+}