Setor Tunai (TRANSACTION)

import java.util.*;
/**
 * class ini digunakan untuk memproses transaksi yang dilakukan oleh user
 * dan menampilkannya dalam bentuk kalimat
 *
 * @author Dwinanda Bagoes Ansori
 * @version 24 November 2020
 */
public class Transaction
{
    int value = -1;
    int query = 0;
    int pecahan = 0;
    int lembar;
    int total;
    Account acc;

    Scanner SC = new Scanner(System.in);
    public Transaction(int trans, Account acc)
    {
        System.out.println();
        this.acc = acc;
        switch (trans)
        {
            case 1 :
                System.out.println("1. Rp 50.000");
                System.out.println("2. Rp 100.000");
                System.out.print("Pilih Pecahan   : ");
                query = SC.nextInt();
                if(query == 1)
                {
                    this.pecahan = 50000;
                }
                else if(query == 2)
                {
                    this.pecahan = 100000;
                }
                else
                {
                    break;
                }
                System.out.print("Jumlah lembar : ");
                lembar = SC.nextInt();
                toStringSetor();
                break;
            case 3 :
                System.out.println("Saldo Anda  : Rp " + acc.getSaldo());
                break;
        }
    }

    // method untuk mengubah transaksi setor dalam bentuk string
    private void toStringSetor()
    {
        total = pecahan*lembar;
        System.out.println("Data Setoran    : ");
        System.out.println("Rp " + pecahan + " x " + lembar + " = " + (total));
        System.out.println("TOTAL   = " + (total));
        System.out.println("1. Setor");
        System.out.println("2. Batal");
        query = SC.nextInt();
        if(query == 1)
        {
            System.out.println("Uang Berhasil Disetor");
            acc.updateSetor(total); // update saldo user
        }
        else
        {
            System.out.println("Uang Gagal Disetor");
        }
    }
}