Example for Interface and Abstrac Class in Java

InterAbs.java

abstract class Makhluk {
  abstract void berjalan();
  void tidur() {
    System.out.println("Kucing sedang tidur");
  }
}

interface Hewan {
  void makan();
}

class Kucing extends Makhluk implements Hewan {

  @Override
  void berjalan() {
    System.out.println("Kucing sedang berjalan");
  }

  @Override
  public void makan() {
    System.out.println("Kucing sedang makan");
  }

  
}

public class InterAbs {
  public static void main(String[] args) {
    Kucing miaw = new Kucing();
    miaw.berjalan();
    miaw.makan();
    miaw.tidur();
  }
}