父類
package?com.liuxiaodao;
public?class?Vehicle?{	
public?int?carNumber;//車序列	
public?String?carName;?//車名字	
public?int?rent;//租金	
public?int?personCapacity;//載客量	
public?double?freightVolume;//載貨量
public?String?getCarName()?{		
return?carName;	}	
public?void?setCarName(String?carName)?{		
this.carName?=?carName;	}	
public?int?getRent()?{		
return?rent;	}	
public?void?setRent(int?rent)?{		
this.rent?=?rent;	}	
public?int?getCarNumber()?{		
return?carNumber;	}	
public?void?setCarNumber(int?carNumber)?{		
this.carNumber?=?carNumber;	}	
public?int?getPersonCapacity()?{		
return?personCapacity;	}	
public?void?setPersonCapacity(int?personCapacity)?{		
this.personCapacity?=?personCapacity;	}	
public?double?getFreightVolume()?{		
return?freightVolume;	}	
public?void?setFreightVolume(double?freightVolume)?{		
this.freightVolume?=?freightVolume;	}	
public?void?show()?{		
//?TODO?Auto-generated?method?stub			}	
}

Passengercar類
package?com.liuxiaodao;
public?class?Passengercar?extends?Vehicle?{	
public?Passengercar(int?carNumber,String?carName,int?rent,int?personCapacity)?{		
this.setCarNumber(carNumber);		
this.setCarName(carName);		
this.setRent(rent);		
this.setPersonCapacity(personCapacity);	}		
public?void?show()?{		
System.out.println(?"?"+carNumber?+?"\t"+carName?+"\t"?+?rent?+"一天"?+?"\t\t載客量"?+?personCapacity+"人");	}
}

?Pika類
public?class?Pika?extends?Vehicle{	
public?Pika(int?carNumber,String?carName,int?rent,int?personCapacity,double?freightVolume)?{		
this.setCarName(carName);		
this.setCarNumber(carNumber);		
this.setRent(rent);		
this.setPersonCapacity(personCapacity);		
this.setFreightVolume(freightVolume);}	
public?void?show()?{		
System.out.println("?"+carNumber?+?"\t"+carName?+"\t"?+?rent?+?"一天"?+?"\t\t載客量"?+?personCapacity+?"人"+?"載貨量"?+freightVolume+"噸");	}}

Truck類

public class Truck extends Vehicle {

public Truck(int carNumber,String carName,int rent,double freightVolume) {

this.setCarName(carName);

this.setCarNumber(carNumber);

this.setRent(rent);

this.setFreightVolume(freightVolume);

}

public void show() {

System.out.println(" "+carNumber +"\t"+ carName +"\t" + rent +"一天" + "\t\t載貨量" + freightVolume+"噸");

}

}

Text類

public class Text {

public static void main(String[] args) {

// TODO Auto-generated method stub

Vehicle a = new Passengercar(1,"奧迪A4",500,4);

Vehicle b = new Passengercar(2,"寶馬3系",400,4);

Vehicle c = new Pika(3,"皮卡雪6",450,4,2);

Vehicle d = new Passengercar(4,"金龍",800,20);

Vehicle e = new Truck(5,"松花江",400,4);

Vehicle f = new Truck(6,"依維柯",1000,20);

Vehicle vehicle[] = {a,b,c,d,e,f,};

System.out.println("歡迎使用小叨租車系統(tǒng)：");

System.out.println("你是否需要租車：1是 0否");

Scanner input = new Scanner(System.in);//使用Scanner來實現(xiàn)用戶輸入

int in =input.nextInt();

if(in == 1) {

System.out.println("您可租車的類型及其價目表：");

System.out.println("編 號"+"\t? 類 型"+"\t日租金/天"+"\t\t容量");

a.show();

b.show();

c.show();

d.show();

e.show();

f.show();

System.out.println("請輸入您租車的數(shù)量：");

Scanner input2 = new Scanner(System.in);

int num = input2.nextInt();

System.out.println("請輸入您要借租的天數(shù)");

Scanner input3 = new Scanner(System.in);

int day =input3.nextInt();

for(int i =0;i<num;i++) {

System.out.println("請輸入第"+ (i+1) +"輛車的序號");

Scanner input4 = new Scanner(System.in);

int xuhao = input4.nextInt();

vehicle[i] =vehicle[xuhao-1];

}

System.out.println("統(tǒng)計完成\n您的賬單如下：");

System.out.println("可以載人的有：");

for(int n=0;n<num;n++) {

if(vehicle[n].personCapacity != 0) {

System.out.println(vehicle[n].carName);

}

}

System.out.println("可以載貨的有：");

for(int m=0;m<num;m++) {

if(vehicle[m].freightVolume !=0) {

System.out.println(vehicle[m].carName);

}

}

//統(tǒng)計賬單金額數(shù)目

int sumPerson = 0;

double sumFreight = 0;

double sumRent = 0;

for(int x=0;x<num;x++) {

sumPerson =vehicle[x].personCapacity+sumPerson;

sumFreight = vehicle[x].freightVolume+sumFreight;

sumRent = vehicle[x].rent+sumRent;

}

System.out.println("總載客量："+sumPerson);

System.out.println("總載貨量："+sumFreight);

System.out.println("總價格："+sumRent*day);

}else if(in == 0) {

System.out.println("再見，歡迎您下次使用！");

}

}

}