Quiz PBO
POINT OF SALE source code import javax.swing.* ; import java.awt.* ; import java.awt.event.* ; public class POS { JFrame frameList = null ; JPanel panel = null ; JTextField txtKodeKasir = null ; JTextField txtKodeBarang = null ; JTextField txtNamaBarang = null ; JTextField txtHarga = null ; JTextField txtJumlahBarang = null ; JFrame framePrint = null ; JPanel panelList = null ; public static void main ( String [ ] args ) { POS gui = new POS ( ) ; gui. list ( ) ; } public void list ( ) { frameList = new JFrame ( ) ; frameList. setDefaultCloseOperation ( JFrame . EXIT_ON_CLOSE ) ; panel = new JPanel ( ) ; JLabel lblKodeKasir = new JLabel ( "Nama Kasir :" ) ; txtKodeKasir = new