class Car {
class Wheel{

}
}

class PlaneWheel extends Car.Wheel{
//下面这段能详细解释一下吗,最好从底层
PlaneWheel(Car car){
car.super( );//我知道super( )是调用父类的构造方法,但这为什么是car.super( )如果是调用Wheel的构造方法那我觉得Wheel.super( )不是更好更形象吗
}
public static void main(String [ ] args){
Car car=new Car( );
PlaneWheel pw=new PlaneWheel(car);
}