本文實例為大家分享了java實現汽車租賃系統的具體代碼，供大家參考，具體內容如下
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//車類public abstract class vehicle { //車牌號 品牌 日租金 private string id; private string brand; private int perrent; public vehicle(){} //vehicle的帶參構造方法 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; } //抽象方法計算租金 public abstract double calcrent(int days); } //轎車類public class car extends vehicle{ //型號 private string type; public void settype(string type){ this.type=type; } public string gettype(){ return type; } public car(){} //car的帶參構造方法 public car(string id, string brand, int perrent,string type) { super(id,brand,perrent); this.type = type; } //重寫父類的計算租金方法：根據自己的計算租金規則 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; }} //客車類public class bus extends vehicle{ //座位數 private int seatcount; public void setseatcount(int seatcount){ this.seatcount=seatcount; } public int getseatcount(){ return seatcount; } public bus(){} //bus的帶參構造方法 public bus(string id,string brand,int perrent,int seatcount){ super(id,brand,perrent); this.seatcount = seatcount; } //重寫父類的計算租金方法：根據自己的計算租金規則 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; }} //汽車業務類public class operation { public vehicle[] vehicle = new vehicle[8];//初始化汽車信息 public void init(){ vehicle[0] = new car("京ny28588","寶馬",800,"x6"); //vehicle v = new car(); vehicle[1] = new car("京cny32584","寶馬",600,"550i"); //vehicle v = new car(); vehicle[2] = new car("京nt37465","別克",300,"林蔭大道"); //vehicle v = new car(); vehicle[3] = new car("京nt96968","別克",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","金龍",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","金龍",1500,34); //vehicle v = new bus(); } //租車：根據用戶提供的條件去汽車數組中查找相應車輛并返回 //如果租賃的是轎車 需要條件：品牌 型號 //如果租賃的是客車 需要條件：品牌 座位數 //簡單工廠模式 public vehicle zuche(string brand,string type,int seatcount){ vehicle che = null; //for循環遍歷數組vehicle for(vehicle myche : vehicle){ //判斷vehicle類的myche的類型是否和car一樣 if(myche instanceof car){ //vehicle類的myche向下轉型變成子類car car car = (car)myche; if(car.getbrand().equals(brand) && car.gettype().equals(type)){ che=car; break; } }else{ //vehicle類的myche向下轉型變成子類bus bus bus = (bus)myche; if(bus.getbrand().equals(brand) && bus.getseatcount() == seatcount){ che=bus; break; } } } return che; }} //汽車租賃public class rent { public static void main(string[] args) { scanner input = new scanner(system.in); operation operation = new operation(); //租賃公司界面 operation.init(); system.out.println("**********歡迎光臨租賃公司**********"); system.out.println("1.轎車\t\t2.客車"); system.out.println("請選擇您要租賃的汽車類型：（1.轎車 2.客車）"); int chetype = input.nextint(); string brand = "";//品牌 string type = "";//型號 int seatcount = 0;//座位數 //收集用戶條件 if(chetype == 1){ //租賃轎車 system.out.println("請選擇您要租賃的轎車品牌：（1.別克 2.寶馬）"); int choose = input.nextint(); if(choose == 1){ brand="別克"; system.out.println("請選擇您要租賃的汽車型號：（1.林蔭大道 2.gl8）"); type=(input.nextint() == 1)?"林蔭大道":"gl8"; }else if(choose == 2){ brand="寶馬"; system.out.println("請選擇您要租賃的汽車型號：（1.x6 2.550i）"); type=(input.nextint() == 1)?"x6":"550i"; } }else if(chetype == 2){ //租賃客車 type= ""; system.out.println("請選擇您要租賃的客車品牌：（1.金杯 2.金龍）"); brand=(input.nextint()==1)?"金杯":"金龍"; system.out.println("請選擇您要租賃的客車座位數：（1.16座 2.32座）"); seatcount=(input.nextint() == 1)?16:34; } //租車 vehicle che = operation.zuche(brand, type, seatcount); system.out.println("請輸入您的租賃天數："); int days = input.nextint(); double money = che.calcrent(days); system.out.println("租車成功，請按照如下車牌號提車："+che.getid()); system.out.println("您需要支付："+money+"元"); } } |
以上就是本文的全部內容，希望對大家的學習有所幫助，也希望大家多多支持服務器之家。
原文鏈接：https://blog.csdn.net/baidu_29343517/article/details/81153722
