Bunga Rekening Class

package buatbunga;

class Rekening {

    private String nama;
    int id;
    private Transaksi[] transaksi;
    private int saldo;

    public Rekening(final String nama) {
        this.id = 0;
        this.transaksi = new Transaksi[3];
        this.saldo = 0;
        this.nama = nama;
    }

    public Integer getSaldo() {
        return saldo;
    }

    public int simpanSaldo(int jumlah) {
        return saldo += jumlah;
    }

    public void addTransaksi(final Transaksi x) {
        this.transaksi[this.id] = x;
        ++this.id;
    }

    public void printTransaksi() {
        System.out.println("");
        for (int i = 0; i < this.id; ++i) {
            System.out.println("=============== Transaksi ==============");
            this.transaksi[i].detailTransaksi();
            System.out.println("========================================");
            System.out.println("");
        }
    }
}