class Fu{
//public int x=10;
final public int j=20;
public void show(){
System.out.println("Fu show()");
}
}
class Zi extends Fu {
public void show(){
//int x=100;
int j=200;
System.out.println("Zi show()");
//System.out.println(x);
System.out.println(j);
}
}
class FinalDemo1 {
public static void main(String[] args){
Zi z= new Zi();
z.show();
}
}
![[Web front-end] Node.js quick start](https://img.php.cn/upload/course/000/000/067/662b5d34ba7c0227.png)
