java汽车类

编写代码

public interface Car {
    void speak();
    void start();
    void run();
    void stop();

编写代码

public class Driver {
    private String name;

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public void drive(Car car) {
        car.speak();
        car.start();
        car.run();
        car.stop();
    }

    
    class Benz implements Car{
        private String model;
        private double price;
        private String color;

        public String getModel() {
            return model;
        }

        public void setModel(String model) {
            this.model = model;
        }

        public double getPrice() {
            return price;
        }

        public void setPrice(double price) {
            this.price = price;
        }

        public String getColor() {
            return color;
        }

        public void setColor(String color) {
            this.color = color;
        }

        @Override
        public void start() {
            System.out.println("奔驰[" + model + "]起步……");
        }

        @Override
        public void run() {
            System.out.println("奔驰[" + model + "]行驶……");
        }

        @Override
        public void stop() {
            System.out.println("奔驰[" + model + "]停止……");
        }

        public void speak() {
            System.out.println(color + "色奔驰[" + model + "]单价：" + price + "万~");
        }
    }
}

编写代码

public class TestDriver {
    public static void main(String[] args) {
        // 创建司机对象（外部类对象）
        Driver driver = new Driver();
        // 设置司机对象属性
        driver.setName("唐小刚");

        // 基于司机对象（外部类对象）创建奔驰对象（内部类对象）
        Driver.Benz benz = driver.new Benz();
        // 设置奔驰对象属性
        benz.setModel("梅赛德斯-AMG A 35 L 4MATIC");
        benz.setPrice(45);
        benz.setColor("蓝");

        // 调用司机对象的驾驶方法
        driver.drive(benz);
    }
}

编写代码

public class TestDriver {
    public static void main(String[] args) {
        // 创建司机对象（外部类对象）
        Driver driver = new Driver();
        // 设置司机对象属性
        driver.setName("唐小刚");

        // 基于司机对象（外部类对象）创建奔驰对象（内部类对象）
        Driver.Benz benz = driver.new Benz();
        //
        benz.setModel("梅赛德斯-AMG A 35 L 4MATIC");
        benz.setPrice(45);
        benz.setColor("蓝");

        // 调用司机对象的驾驶方法
        driver.drive(benz);

        System.out.println("=====================");

        // 司机驾驶宝马车（采用匿名内部类方式）
        driver.drive(new Car() {
            private String model = "全新BMW Z4敞篷跑车";
            private double price = 55;
            private String color = "红";

            public String getModel() {
                return model;
            }

            public void setModel(String model) {
                this.model = model;
            }

            public double getPrice() {
                return price;
            }

            public void setPrice(double price) {
                this.price = price;
            }

            public String getColor() {
                return color;
            }

            public void setColor(String color) {
                this.color = color;
            }

            @Override
            public void start() {
                System.out.println("宝马[" + model + "]起步……");
            }

            @Override
            public void run() {
                System.out.println("宝马[" + model + "]行驶……");
            }

            @Override
            public void stop() {
                System.out.println("宝马[" + model + "]停止……");
            }

            public void speak() {
                System.out.println(color + "色宝马[" + model + "]单价：" + price + "万~");
            }
        });
    }
}

运行程序，查看结果