Pengertian Keyword Super

*Class Induk*
public class key {
   protected double v;
   protected float jari;
} 

*Class Anak*
public class Lingkar extends Key {
double tinggi=5;
   public void setSuperhari(float jari){
      super.jari= jari;
   }

   public void setSuper v(double v){
      super.v=v;
   }

   public void LKbangun(){
      System.out.println("Luas Lingkaran : "+jari*jari*v);
      System.out.println("Keliling Lingkaran : "+2jari*v);
   }

   public void cet() {
      System.out.println("Volume : "+(jari*jari*v)*tinggi);
   }
}

*Class Main*
public class BangunDatarTest {
   public static void main(String[] args){
      Lingkar sg = new Lingkar();
      sg.setSuperjari(7);
      sg.setSuperv(3.14);
      sg.LKbangun();
      sg.cet();
   }
}