exemple data abstrack coding java

abstrak public class Mobil {
 public void injakPedalGas();
 public void injakRem(){
    System.out.println(“Mobil berhenti!”);
 }
}
public class Kijang extends Mobil{
 public void injakPedalGas(){
  System.out.println("Mobil Melaju dengan kecepatan 80 Km/jam...");
 }
}
public class BMW extends Mobil {
   public void injakPedalGas(){
    System.out.println("Mobil Melaju dengan kecepatan 100 Km/jam...");
 }
}


>> class for running
public class TestMobil {
 public static void main(String[] args){
  Mobil mobil = new Mobil(){
   public void injakPedalGas(){
    System.out.println("Mobil berjalan...");
   }
  };
 
  Kijang kijang = new Kijang();
  Escudo escudo = new Escudo();
  BMW bmw = new BMW();
 
  mobil.injakPedalGas();
 
  mobil = kijang;
  mobil.injakPedalGas();
 
  mobil = escudo;
  mobil.injakPedalGas();
 
  mobil = bmw;
  mobil.injakPedalGas();
 }
}