W5-徐景旺-202414010701

W5/Shape/Circle.java

@@ -0,0 +1,6 @@
+public class Circle extends Shape{
+    @Override
+    public void draw(){
+    System.out.println("圆形");
+    }
+}

W5/Shape/Main.java

@@ -0,0 +1,12 @@
+public class Main {
+        public static void drawShape(Shape s) {
+            s.draw();
+        }
+        public static void main(String[] args) {
+            Shape circle = new Circle();
+            Shape rectangle = new Rectangle();
+            drawShape(circle);
+            drawShape(rectangle);
+        }
+}
+

W5/Shape/Rectangle.java

@@ -0,0 +1,6 @@
+public class Rectangle extends Shape{
+    @Override
+    public void draw() {
+        System.out.println("矩形");
+    }
+}

W5/Shape/Shape.java

@@ -0,0 +1,6 @@
+public class Shape {
+    public void draw(){
+        System.out.println("shape");
+    }
+}
+

W5/Vehicle/Bike.java

@@ -0,0 +1,6 @@
+public class Bike extends Vehicle{
+    @Override
+    public void run(){
+        System.out.println("自行车");
+    }
+}

W5/Vehicle/Car.java

@@ -0,0 +1,6 @@
+public class Car extends Vehicle{
+    @Override
+    public void run(){
+        System.out.println("汽车");
+    }
+}

W5/Vehicle/Truck.java

@@ -0,0 +1,6 @@
+public class Truck extends Vehicle{
+    @Override
+    public void run(){
+        System.out.println("卡车");
+    }
+}

W5/Vehicle/Vehicle.java

@@ -0,0 +1,3 @@
+public abstract class Vehicle {
+    public abstract void run();
+}