class Outer{
private int num  = 10;
public void function(final int num){
  class Inner{
   int num = 20;
   public void show(){
    int num = 30;
    System.out.println("num = " + num);
   }
  }
}
}
show方法想访问final int num 中的num该怎么访问

class Outer{
private int num  = 10;
public void function(final int num){
  class Inner{
   int num = 20;
   public void show(){
    int num = 30;
    System.out.println("num = " + num);
   }
  }
}
}
show方法想访问final int num 中的num该怎么访问