w5-张思渊-202401070104

w5/Main.java

@@ -0,0 +1,24 @@
+abstract class Shape{
+    public abstract void draw();
+}
+class Rectangle extends Shape{
+    public void draw(){
+        System.out.println("»­Ò»¸ö¾ØÐÎ");
+    }
+}
+class Circle extends Shape{
+    public void draw(){
+        System.out.println("»­Ò»¸öÔ²");
+    }
+}
+public class Main{
+    public static void drawShape(Shape s){
+        s.draw();
+    }
+    public static void main(String[] args){
+        Shape shape = new Rectangle();
+        drawShape(shape);
+        Shape shape2 = new Circle();
+        drawShape(shape2);
+    }
+}