package main.java.com.sf.part05.oop_01; //属性: 汽车编号 汽车的颜色 汽车的品牌 价格 车长度 ... //行为: 启动 停止 加速 减速 转弯 ... public class Car { String carId; String carName; String carColor; String carBrand; Double carPrice; public void start(){ System.out.println("汽车启动了"); } public void stop(){ System.out.println("汽车停止了"); } @Override public String toString() { return "Car{" + "carId='" + carId + '\'' + ", carName='" + carName + '\'' + ", carColor='" + carColor + '\'' + ", carBrand='" + carBrand + '\'' + ", carPrice=" + carPrice + '}'; } }