?? test.java
字號:
class Car
{
String name;
int code;
public void put()
{
System.out.println(name+':'+code);
}
Car(String name,int code)
{
this.name=name;
this.code=code;
}
}
class Heithcar extends Car
{
Heithcar(String name)
{
super(name,3);
}
public double daymoney(){
double money;
money=3*100;
return money;
}
}
class Middlecar extends Car
{
Middlecar(String name)
{
super(name,2);
}
public double daymoney()
{
double money;
money=2*100;
return money;
}
}
class Lowcar extends Car
{
Lowcar(String name)
{
super(name,1);
}
public double daymoney()
{
double money;
money=1*100;
return money;
}
}
public class Test{
public static void main(String[] args)
{
double money;
Heithcar car1=new Heithcar("heigthcar");
Middlecar car2= new Middlecar("middlecar");
Lowcar car3= new Lowcar("lowcar");
car1.put();
money= car1.daymoney();
System.out.println("daymoney is:"+money);
car2.put();
money= car2.daymoney();
System.out.println("daymoney is:"+money);
car3.put();
money= car3.daymoney();
System.out.println("daymoney is:"+money);
}
}
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