菜鸟求救!(non-static variable this cannot be referenced from a static context)
public class CarDemo
{
public static void main(String[] args)
{
Car Democar= new Car();
Democar.set_number(3838);
Democar.show_number();
}
class Car
{
int car_number;
void set_number(int car_num)
{
car_number=car_num;
}
void show_number()
{
System.out.println("My car No. is:"+car_number);
}
}
}
出现错误:non-static variable this cannot be referenced from a static context
Car Democar= new Car();