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
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//车类public abstract class vehicle { //车牌号 品牌 日租金 private string id; private string brand; private int perrent; public vehicle(){} //vehicle的带参构造方法 public vehicle(string id, string brand, int perrent) { this.id = id; this.brand = brand; this.perrent = perrent; } public void setid(string id){ this.id=id ; } public string getid(){ return id; } public void setbrand(string brand){ this.brand=brand; } public string getbrand(){ return brand; } public void setperrent(int perrent){ this.perrent=perrent; } public int getperrent(){ return perrent; } //抽象方法计算租金 public abstract double calcrent(int days); } //轿车类public class car extends vehicle{ //型号 private string type; public void settype(string type){ this.type=type; } public string gettype(){ return type; } public car(){} //car的带参构造方法 public car(string id, string brand, int perrent,string type) { super(id,brand,perrent); this.type = type; } //重写父类的计算租金方法：根据自己的计算租金规则 public double calcrent(int days) { double price = this.getperrent()*days; if(days>7 && days<=30){ price *= 0.9; }else if(days>30 && days<=150){ price *= 0.8; }else if(days>150){ price *= 0.7; } return price; }} //客车类public class bus extends vehicle{ //座位数 private int seatcount; public void setseatcount(int seatcount){ this.seatcount=seatcount; } public int getseatcount(){ return seatcount; } public bus(){} //bus的带参构造方法 public bus(string id,string brand,int perrent,int seatcount){ super(id,brand,perrent); this.seatcount = seatcount; } //重写父类的计算租金方法：根据自己的计算租金规则 public double calcrent(int days) { double price = this.getperrent()*days; if(days>=3 && days<7){ price *= 0.9; }else if(days>=7 && days<30){ price *= 0.8; }else if(days>=30 && days<150){ price *= 0.7; }else if(days>150){ price *= 0.6; } return price; }} //汽车业务类public class operation { public vehicle[] vehicle = new vehicle[8];//初始化汽车信息 public void init(){ vehicle[0] = new car("京ny28588","宝马",800,"x6"); //vehicle v = new car(); vehicle[1] = new car("京cny32584","宝马",600,"550i"); //vehicle v = new car(); vehicle[2] = new car("京nt37465","别克",300,"林荫大道"); //vehicle v = new car(); vehicle[3] = new car("京nt96968","别克",600,"gl8"); //vehicle v = new car(); vehicle[4] = new bus("京6566754","金杯",800,16); //vehicle v = new bus(); vehicle[5] = new bus("京8696997","金龙",800,16); //vehicle v = new bus(); vehicle[6] = new bus("京9696996","金杯",1500,34); //vehicle v = new bus(); vehicle[7] = new bus("京8696998","金龙",1500,34); //vehicle v = new bus(); } //租车：根据用户提供的条件去汽车数组中查找相应车辆并返回 //如果租赁的是轿车 需要条件：品牌 型号 //如果租赁的是客车 需要条件：品牌 座位数 //简单工厂模式 public vehicle zuche(string brand,string type,int seatcount){ vehicle che = null; //for循环遍历数组vehicle for(vehicle myche : vehicle){ //判断vehicle类的myche的类型是否和car一样 if(myche instanceof car){ //vehicle类的myche向下转型变成子类car car car = (car)myche; if(car.getbrand().equals(brand) && car.gettype().equals(type)){ che=car; break; } }else{ //vehicle类的myche向下转型变成子类bus bus bus = (bus)myche; if(bus.getbrand().equals(brand) && bus.getseatcount() == seatcount){ che=bus; break; } } } return che; }} //汽车租赁public class rent { public static void main(string[] args) { scanner input = new scanner(system.in); operation operation = new operation(); //租赁公司界面 operation.init(); system.out.println("**********欢迎光临租赁公司**********"); system.out.println("1.轿车\t\t2.客车"); system.out.println("请选择您要租赁的汽车类型：（1.轿车 2.客车）"); int chetype = input.nextint(); string brand = "";//品牌 string type = "";//型号 int seatcount = 0;//座位数 //收集用户条件 if(chetype == 1){ //租赁轿车 system.out.println("请选择您要租赁的轿车品牌：（1.别克 2.宝马）"); int choose = input.nextint(); if(choose == 1){ brand="别克"; system.out.println("请选择您要租赁的汽车型号：（1.林荫大道 2.gl8）"); type=(input.nextint() == 1)?"林荫大道":"gl8"; }else if(choose == 2){ brand="宝马"; system.out.println("请选择您要租赁的汽车型号：（1.x6 2.550i）"); type=(input.nextint() == 1)?"x6":"550i"; } }else if(chetype == 2){ //租赁客车 type= ""; system.out.println("请选择您要租赁的客车品牌：（1.金杯 2.金龙）"); brand=(input.nextint()==1)?"金杯":"金龙"; system.out.println("请选择您要租赁的客车座位数：（1.16座 2.32座）"); seatcount=(input.nextint() == 1)?16:34; } //租车 vehicle che = operation.zuche(brand, type, seatcount); system.out.println("请输入您的租赁天数："); int days = input.nextint(); double money = che.calcrent(days); system.out.println("租车成功，请按照如下车牌号提车："+che.getid()); system.out.println("您需要支付："+money+"元"); } } |
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服务器之家。
原文链接：https://blog.csdn.net/baidu_29343517/article/details/81153722
