init

day01/src/com/inmind/test10/DeviceTest.java

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+package com.inmind.test10;
+
+import java.util.List;
+
+// 测试类
+public class DeviceTest {
+    public static void main(String[] args) {
+        // 创建设备管理器
+        DeviceManager manager = new DeviceManager();
+        
+        // 添加设备
+        manager.addDevice(new Smartphone("Apple", "iPhone 14", 6999.0, 256));
+        manager.addDevice(new Laptop("Dell", "XPS 15", 9999.0, 32));
+        manager.addDevice(new SmartTV("Sony", "KD-65X9000H", 7999.0, 65.0));
+        manager.addDevice(new Smartphone("Samsung", "Galaxy S23", 5999.0, 512));
+        manager.addDevice(new Laptop("Lenovo", "ThinkPad X1", 8999.0, 16));
+        
+        // 显示所有设备
+        manager.showAllDevices();
+        
+        // 显示设备总数（静态方法使用）
+        System.out.println("\n当前设备总数: " + Device.getTotalDevices());
+        
+        // 开机所有设备
+        manager.powerOnAllDevices();
+        
+        // 为所有可充电设备充电60分钟
+        manager.chargeAllChargeableDevices(60);
+        
+        // 显示可充电设备及其电量
+        manager.showChargeableDevices();
+        
+        // 按价格排序并显示
+        /*manager.sortDevicesByPrice();
+        manager.showAllDevices();*/
+        
+        // 测试多态：调用特定设备的方法
+        System.out.println("\n===== 设备功能测试 =====");
+        List<Device> appleDevices = manager.findDevicesByBrand("Apple");
+        for (Device device : appleDevices) {
+            if (device instanceof Smartphone) {
+                Smartphone phone = (Smartphone) device;
+                phone.connectToNetwork("家庭WiFi");
+                phone.takePhoto();
+                phone.showBatteryStatus();
+                phone.disconnectFromNetwork();
+            }
+        }
+        
+        // 测试静态方法：计算折扣价格
+        /*Device laptop = manager.findDevicesByBrand("Dell").get(0);
+        double discountPrice = Device.calculateDiscountPrice(laptop, 0.8);
+        System.out.println("\n" + laptop.getBrand() + " " + laptop.getModel() + 
+                           " 原价: " + laptop.getPrice() + " 折扣价: " + discountPrice);*/
+        
+        // 关机所有设备
+        manager.powerOffAllDevices();
+        
+        // 移除一个设备
+        manager.removeDevice("Sony", "KD-65X9000H");
+        manager.showAllDevices();
+        
+    }
+}
+