4oop

package tess;
import java.util.*;
import java.lang.*;
import java.io.*;

class datadiri{
    private String nama;
    private String kota;
    private int umur;

  public void setNama(String nama)
  {
    this.nama = nama;
  }

  public void setKota(String kota)
  {
    this.kota = kota;
  }

  public void setUmur(int umur)
  {
    this.umur = umur;
  }

  public String getNama()
  {
    return nama;
  }

  public String getKota()
  {
    return kota;
  }

  public int getUmur()
  {
    return umur;
  }
}

///////////

abstract class Kasir{
    String nama;
    int umur;
    double jam;

    public Kasir(String nama, int umur, double jam){
        this.nama = nama;
        this.umur = umur;
        this.jam = jam;
    }

    public void setNama(String nama){
        this.nama = nama;
    }

    public void setUmur(int umur){
        this.umur = umur;
    }

    public void setHours(double jam){
        this.jam = jam;
    }

  public String getNama()
  {
    return nama;
  }

  public int getUmur()
  {
    return umur;
  }

  public double getHours()
  {
    return jam;
  }

  public abstract double gaji();

  public void tampilkan()
  {
    System.out.println("nama : " + nama + " -- umur : " + umur);
  }

}

class Gaji extends Kasir
{
  public Gaji(String nama, int umur, double jam)
  {
    super(nama, umur, jam);
  }

  public double gaji()
  {
    return super.getHours() * 15000;
  }
}

////////////////

//

///////////////
public class OOP
{
  public static void main(String[] args){
      datadiri d = new datadiri();
   d.setNama("Budi");
   d.setKota("Jakarta");
   d.setUmur(20);

   System.out.println("Nama saya " + d.getNama() + ".");
   System.out.println("Saya dari " + d.getKota() + ".");
   System.out.println("Umur saya " + d.getUmur() + " tahun.");


    Kasir s = new Gaji("Budi",20,4);
    s.tampilkan();
    System.out.println("gaji sebesar " +s.gaji());

  }
}