初级java问题： method ()V not found

问题在哪？
class fured
{ int a;

}
class fured1 extends fured
{
int a;
fured1(int x,int y)
{ super.a=x;
a=y;
}

void print()
{ System.out.println(super.a);
System.out.println(a);
}
}
public class 调用父类的变量_方法 {

public 调用父类的变量_方法() {
    // TODO Auto-generated constructor stub
}

public static void main(String[] args) 
{
  fured1 aa=new fured1(1,2);
  aa.print();

}

}