本文實例為大家分享了java實現答答租車系統的具體代碼，供大家參考，具體內容如下
項目需求：
基本界面需求：
and:
最后是把賬單打印出來：
個人代碼實現
基本思路：考慮到車輛之間的共性，設置一個父類car, 子類mannedcar(載人), truck(載貨)，bothcary(既載人又載貨)，三者繼承父類car的price, name屬性, getname()方法, 同時重寫getpersonnum, getgoodsnum方法。
car.java:
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package car;public abstract class car { protected int price; protected string name; protected int getprice() { return price; } protected string getname() { return name; } public int getpersonnum() { // todo auto-generated method stub return 0; } public int getgoodsnum() { // todo auto-generated method stub return 0; }} |
mannedcar.java:
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package car;public class mannedcar extends car { private int personnum; public mannedcar() { this.personnum = 0; this.price = 0; this.name = ""; } public mannedcar(int personnum, int price, string name) { this.personnum = personnum; this.price = price; this.name = name; } @override public int getpersonnum() { return personnum; }} |
truck.java:
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package car;public class truck extends car{ private int goodsnum; public truck() { this.price = 0; this.goodsnum = 0; this.name = ""; } public truck(int price, int goodsnum, string name) { this.price = price; this.goodsnum = goodsnum; this.name = name; } @override public int getgoodsnum() { return goodsnum; }} |
bothcarry.java:
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package car;public class bothcarry extends car { private int personnum; private int goodsnum; public bothcarry() { this.personnum = 0; this.goodsnum = 0; this.name = ""; this.price = 0; } public bothcarry(int price, int personnum, int goodsnum, string name) { this.personnum = personnum; this.goodsnum = goodsnum; this.price = price; this.name = name; } public int getpersonnum() { return personnum; } public int getgoodsnum() { return goodsnum; }} |
系統：
carsystem.java:
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package car;import java.util.scanner;import java.util.arraylist;public class carsystem { private static string goodbyeinfo = "歡迎再次使用本系統，再見！"; private static int dayborrow; public static void beginsystem() { carsystem.systemwelcome(); scanner scanner = new scanner(system.in); string usercommand = scanner.next(); switch(usercommand){ case "1": carsystem.getuserinput(); break; case "0": system.out.println(goodbyeinfo); break; default: system.out.println("輸入錯誤..end running.."); system.exit(0); break; } } public static void systemwelcome() { system.out.println("歡迎使用答答租車系統:"); system.out.println("您是否要租車: 1-是 0-否"); } public static void getuserinput() { int numcarborrow = 0; arraylist<car> carlist = new arraylist<car>(6); carlist.add(new mannedcar(4,500,"奧迪a4")); carlist.add(new mannedcar(4,400,"馬自達6")); carlist.add(new bothcarry(450,4,2,"皮卡雪6")); carlist.add(new mannedcar(20,800,"金龍")); carlist.add(new truck(400,4,"松花江")); carlist.add(new truck(1000,20,"依維河")); system.out.println("請輸入您要租汽車的數量:"); scanner sr = new scanner(system.in); numcarborrow = sr.nextint(); int[] carnumlist = new int[numcarborrow]; for(int i=0;i<numcarborrow;i++) { system.out.println("請輸入第" + (i+1) + "輛車的序號:"); if (sr.hasnext()) { carnumlist[i] = sr.nextint(); } } system.out.println("請輸入租車天數:"); if (sr.hasnext()) { dayborrow = sr.nextint(); } sr.close(); stringbuilder manned = new stringbuilder(); int numofmanned = 0; stringbuilder goods = new stringbuilder(); int numofgoods = 0; int totalcost = 0; for(int i = 0;i < carnumlist.length;i++) { if(carnumlist[i]>0 && carnumlist[i] < 3 || carnumlist[i]==4) { manned.append(" "); manned.append(carlist.get(carnumlist[i]-1).getname()); numofmanned += carlist.get(carnumlist[i]-1).getpersonnum(); } else if(carnumlist[i]==3) { manned.append(" "); manned.append(carlist.get(carnumlist[i]-1).getname()); goods.append(" "); goods.append(carlist.get(carnumlist[i]-1).getname()); numofmanned += carlist.get(carnumlist[i]-1).getpersonnum(); numofgoods += carlist.get(carnumlist[i]-1).getgoodsnum(); } else { goods.append(" "); goods.append(carlist.get(carnumlist[i]-1).getname()); numofgoods += carlist.get(carnumlist[i]-1).getgoodsnum(); } totalcost += carlist.get(carnumlist[i]-1).getprice(); } //output system.out.println("您的賬單:\n***可載人的車有:"); system.out.println(manned + " 共載人: " + numofmanned); system.out.println("***載貨的車有:\n" + goods + " 共載貨 : " + numofgoods + "噸"); system.out.println("***租車總價格: " + totalcost * dayborrow + "元"); }} |
主程序:
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package car;public class carsystemtest { public static void main(string[] args) { // todo auto-generated method stub carsystem.beginsystem(); }} |
運行結果：
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/Joseph_Cherry/article/details/60530978
