Source Code Koneksi Database Berbasis GUI

Gambar : Desain tampilan seperti berikut :

Masukan source code berikut pada aplikasi JFrame yang telah anda buat : 
kemudian untuk deklarasi variabel-nya samakan dengan variabel name anda.


package latihan;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.SQLException;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.swing.JOptionPane;

public class fKoneksi extends javax.swing.JFrame {

    /** Creates new form fKoneksi */
    public fKoneksi() {
        initComponents();
    }

 private void KoneksiActionPerformed(java.awt.event.ActionEvent evt) {                                  
        Connection koneksi;
        String database = txtNama.getText().trim();
        String konek = "jdbc:mysql://localhost:3306/mahasiswa";
        String user = txtUser.getText().trim();
        String pass = txtPassword.getText().trim();
        try{
        Class.forName("com.mysql.jdbc.Driver");
        koneksi = DriverManager.getConnection(konek, user, pass);
        JOptionPane.showMessageDialog(this, "Koneksi Berhasil");

          }catch (ClassNotFoundException ex){
        Logger.getLogger(fKoneksi.class.getName()).log(Level.SEVERE, null,
                ex);
        JOptionPane.showMessageDialog(this, "Driver Tidak Ada");
        }catch(SQLException ex){
        Logger.getLogger(fKoneksi.class.getName()).log(Level.SEVERE,
                null, ex);
        }
    }            

private void TutupActionPerformed(java.awt.event.ActionEvent evt) {                                      
        // TODO add your handling code here:
        System.exit(0);
    }  

  // Variables declaration - do not modify
    private javax.swing.JButton Koneksi;
    private javax.swing.JButton Tutup;
    private javax.swing.JLabel jLabel1;
    private javax.swing.JLabel jLabel2;
    private javax.swing.JLabel jLabel3;
    private javax.swing.JLabel jLabel4;
    private javax.swing.JLabel jLabel5;
    private javax.swing.JLabel jLabel7;
    private javax.swing.JTextField txtNama;
    private javax.swing.JTextField txtPassword;
    private javax.swing.JTextField txtUser;
    // End of variables declaration



Gambar ketika koneksi kita Succsess