Java⾯向对象实现汽车租赁系统本⽂实例为⼤家分享了Java实现汽车租赁系统的具体代码，供⼤家参考，具体内容如下⽗类Vehiclepublic abstract class Vehicle {private String num;private String brand;private double rent;//重写equals⽅法public abstract boolean equals(Vehicle v);//计算费⽤public abstract double cost(int days,double rent);//3个参数的有参构造public Vehicle(String num, String brand, double rent) {this.num = num;this.brand = brand;this.rent = rent;}//⽆参构造public Vehicle() {}//get,set⽅法public String getNum() {return num;}public void setNum(String num) {this.num = num;}public String getBrand() {return brand;}public void setBrand(String brand) {this.brand = brand;}public double getRent() {return rent;}public void setRent(double rent) {this.rent = rent;}}⼦类Carspublic class Cars extends Vehicle{private String type;//重写⽗类equals⽅法@Overridepublic boolean equals(Vehicle v) {if(v instanceof Cars){Cars c=(Cars) v;return this.getBrand().equals(c.getBrand())&&this.getType().equals(c.getType());}//重写⽗类费⽤⽅法@Overridepublic double cost(int days,double sent) {if (days>150){return days*sent*0.7;}else if (days>30){return days*sent*0.8;}else if (days>7){return days*sent*0.9;}else {return days*sent;}}//⽆参构造public Cars() {}//有参构造public Cars(String num, String brand, double rent, String type) {super(num, brand, rent);this.type = type;}//2个有参构造的⽅法public Cars(String brand,String type){super.setBrand(brand);this.type = type;}public String getType() {return type;}public void setType(String type) {this.type = type;}}⼦类Buspublic class Bus extends Vehicle{private int seat;//重写⽗类的equals⽅法@Overridepublic boolean equals(Vehicle v) {if(v instanceof Bus){Bus b=(Bus) v;return this.getBrand().equals(b.getBrand())&&this.getSeat()==b.getSeat(); }return false;}//重写⽗类费⽤⽅法@Overridepublic double cost(int days,double rent) {if (days>=150){return days*rent*0.6;}else if (days>=30){return days*rent*0.7;}else if (days>=7){return days*rent*0.8;}else if (days>=3){return days*rent*0.9;}else {return days*rent;}}//2个参数的有参构造public Bus(String brand,int seat){super.setBrand(brand);//⼦类有参构造public Bus(String num, String brand, double rent, int seat) {super(num, brand, rent);this.seat = seat;}//⼦类⽆参构造public Bus(){}//⼦类get set ⽅法public int getSeat() {return seat;}public void setSeat(int seat) {this.seat = seat;}}汽车业务类VehicleServicerpublic class VehicleServicer {public static List initVehicle(){Vehicle v1=new Bus("京6566754","⾦杯",800,16);Vehicle v2=new Bus("京9696996","⾦杯",1500,34);Vehicle v3=new Bus("京8696997","⾦龙",800,16);Vehicle v4=new Bus("京8696998","⾦龙",1500,34);Vehicle c1 =new Cars("京NT37465","别克",300,"林荫⼤道");Vehicle c2 =new Cars("京9696996","别克",600,"GLB");Vehicle c3 =new Cars("京8696997","宝马",800,"X6");Vehicle c4 =new Cars("京8696998","宝马",600,"550i");//先装⼊数组中Vehicle[] ve = {v1,v2,v3,v4,c1,c2,c3,c4};//将数组转换成集合List<Vehicle> vehicles = Arrays.asList(ve);return vehicles;}}测试类Testpublic class Test {public static void main(String[] args) {Scanner sc = new Scanner(System.in);System.out.println("**********欢迎光临秋明⼭守望者汽车租赁公司**********"); System.out.println("1.轿车 2.客车");System.out.print("请选择你要租赁的汽车类型：");int type = sc.nextInt();//桥车Vehicle ve;String brand;if(type==1){System.out.print("请选择你要租赁的汽车品牌（1.别克 2.宝马）：");int pinpai = sc.nextInt();String model=pinpai==1?"别克":"宝马";if(pinpai==1){System.out.print("请输⼊你要租赁的汽车类型（1.X6 2.550i）：");int leixin = sc.nextInt();brand=leixin==1?"林荫⼤道":"GL8";}else {System.out.print("请输⼊你要租赁的汽车类型（1.X6 2.550i）：");int leixin = sc.nextInt();brand=leixin==1?"X6":"550i";}ve = new Cars(model, brand);}else {//客车String s=pinpai==1?"⾦龙":"⾦杯";System.out.print("请选择你要租赁的汽车座位数（1.16座 2.34座）:");int z = sc.nextInt();seat =z==1?16:34;ve = new Bus(s, seat);}//根据选好的车型，输出车牌和总价List<Vehicle> list = VehicleServicer.initVehicle();for (Vehicle v:list) {if(ve.equals(v)){System.out.print("请输⼊你要租赁的天数:");int days = sc.nextInt();System.out.println("分配给您的汽车牌号是："+v.getNum());System.out.println("您需要⽀付的租赁费⽤是："+v.cost(days,v.getRent()));}}}}以上就是本⽂的全部内容，希望对⼤家的学习有所帮助，也希望⼤家多多⽀持。
