penggabungan

import javax.swing.*;
import javax.swing.table.*;
import javax.swing.table.DefaultTableModel;
import javax.swing.table.TableColumn;
import java.awt.*;

public class tugasUts extends JFrame{
    private JPanel panelku=new JPanel();
    //Membuat Label dan TextField
    private static JLabel namaBarang=new JLabel("Nama Barang");
    private static JLabel jumlahBarang=new JLabel("Jumlah Barang");
    private static JTextField txtNama=new JTextField();
    private static JTextField txtJumlah=new JTextField();
    //Membuat Tombol
    private static JButton buttonSave=new JButton("Tombol Save");
    private static JButton buttonCancel=new JButton("Tombol Cancel");
    //Membuat ComboBox
    final static String Isian[]={"Pilihan ke-1","Pilihan ke-2","Pilihan ke-3"};
    private static JComboBox<String> comboBox=new JComboBox<String>(Isian);
    //Membuat Tabel
    static String Kolom[]={"No.","Nama","NIM","Angkatan"};
    static DefaultTableModel modelTabel=new DefaultTableModel(null,Kolom);
    static JTable Tabel=new JTable();
    JScrollPane scrollBar=new JScrollPane();
    //Membuat MenuBar
    private JMenuBar MenuBar=new JMenuBar();
    private JMenu MenuMaster=new JMenu("Menu Master");
    private JMenuItem MenuBarang=new JMenuItem("Barang");
    private JMenuItem MenuCustomer=new JMenuItem("Customer");
    private JMenuItem MenuUserAccount=new JMenuItem("UserAccount");
    private JMenu MenuTransaksi=new JMenu("Menu Transaksi");
    private JMenuItem MenuPenjualan=new JMenuItem("Menu Penjualan");
    private JMenuItem MenuPembelian=new JMenuItem("Menu Pembelian");
    private JMenuItem MenuExit=new JMenuItem("Exit");
    tugasUts(){
        super("Tugas UTS PBO");
        setSize(650,250);
        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        panelku.setLayout(null);

        //Tabel
        Tabel.setModel(modelTabel);
        scrollBar.getViewport().add(Tabel);
        Tabel.setEnabled(true);
        Tabel.setAutoResizeMode(JTable.AUTO_RESIZE_OFF);
        TableColumn col=Tabel.getColumnModel().getColumn(0);
        DefaultTableCellRenderer rightRenderer=new DefaultTableCellRenderer();
        rightRenderer.setHorizontalAlignment(JLabel.RIGHT);
        Tabel.getColumnModel().getColumn(0).setCellRenderer(rightRenderer);
        //MenuBar
        MenuMaster.add(MenuBarang);
        MenuMaster.add(MenuCustomer);
        MenuMaster.addSeparator();
        MenuMaster.add(MenuUserAccount);
        MenuBar.add(MenuMaster);
        MenuTransaksi.add(MenuPenjualan);
        MenuTransaksi.add(MenuPembelian);
        MenuBar.add(MenuTransaksi);
        MenuBar.add(MenuExit);
        setJMenuBar(MenuBar);

        /*The setBounds() method not only specifies the size of the frame, but the location of the upper left corner:

                public void setBounds(int x, int y, int width, int height)

        This puts the upper left corner at location (x, y), where x the the number of pixels from the left of the screen and y is is the number from the top of the screen. height and width are as before.*/

        namaBarang.setBounds(20,30,150,25);
        jumlahBarang.setBounds(20,60,150,25);
        txtNama.setBounds(120,30,150,25);
        txtJumlah.setBounds(120,60,150,25);
        comboBox.setBounds(120,90,150,25);
        buttonSave.setBounds(35,125,125,25);
        buttonCancel.setBounds(180,125,125,25);
        scrollBar.setBounds(315,20,320,160);

        panelku.add(comboBox);
        panelku.add(scrollBar);
        panelku.add(namaBarang);
        panelku.add(jumlahBarang);
        panelku.add(txtNama);
        panelku.add(txtJumlah);
        panelku.add(buttonSave);
        panelku.add(buttonCancel);
        getContentPane().add(panelku);
        setVisible(true);
    }
    public static void main(String[] args){
        tugasUts frameku=new tugasUts();
        int i;
        for(i=0;i<=15;i++){
            modelTabel.insertRow(i,new Object[]{"No. ke-"+(i+1),"Nama ke-"+i,"NIM ke-"+i,"Angkatan ke-"+i});
        }
        Tabel.setValueAt("Nama ke-1",0,1);
        buttonSave.setText("SAVE");
        buttonCancel.setText("CANCEL");
        }
    }