Tipe Data Object

class Barang {
    private String nama;
    private int berat;

    Barang(String nama) {
        this.nama = nama;
    }

    Barang(int berat) {
        this.berat = berat;
    }

    public static void main(String args[]) {
        Barang a, b, c, d;
        a = new Barang(10);
        b = new Barang(15);

        c = new Barang("celana");
        d = new Barang("sweater");

        System.out.println("Nama: " + c.getNama());
        System.out.println("Nama: " + d.getNama());

        System.out.println("Berat: " + a.getBerat());
        System.out.println("Berat: " + b.getBerat());

        System.out.println("\nHasil \n1: " + a.hasil(a));
        System.out.println("2: " + a.hasil(b));
        a.kata(c);
        a.huruf(d);
    }

    String getNama(){
        return nama;
    }

   int getBerat(){
        return berat;
   }

    private Barang hasil(Barang x) {
        return x;
    }

    private void kata(Barang m) {
        System.out.println(m);
    }

    private void huruf(Barang n) {
        String z = String.valueOf(n);
        System.out.println(z);
    }
}