/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */

package temp__pro;

import java.sql.*;
import java.sql.Connection;

/**
 *
 * @author WizardMan
 */
public class Conect {

Connection conn = null;

public void Conectate() throws ClassNotFoundException {
  try{
    Class.forName("com.mysql.jdbc.Driver");
    conn = DriverManager.getConnection ("jdbc:mysql://localhost:3306/bjm_db", "root", "root");
    if(conn!=null){
    System.out.println(" Connection to DB successful");
         }
     }
catch(SQLException e){
System.out.println(e);
}

    }
public Connection getConnection(){
return conn;
}
public void disconnect(){
conn=null;
}

    }
---------------------------------------------------------------

/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */

package temp__pro;

import java.sql.SQLException;
import java.util.logging.Level;
import java.util.logging.Logger;
import java.sql.Connection;
import java.sql.ResultSet;
import java.sql.DriverManager;
import java.sql.PreparedStatement;

/**
 *
 * @author WizardMan
 */
public class DB_cl {

    Connection conn=null;
 //con = new Conect();
 Conect c = new Conect();


 //constructor
    public DB_cl()
    {
        super();
        try {
            c.Conectate();
            // c.Conectate();
        } catch (ClassNotFoundException ex) {
            Logger.getLogger(DB_cl.class.getName()).log(Level.SEVERE, null, ex);
        }

    }

    public void insert ( String q) throws SQLException{


        PreparedStatement pstm = (PreparedStatement) c.getConnection().prepareStatement(q);
        pstm.execute(q);
        c.disconnect();


    }
}

---------------------------------------------------------------------------
/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */

package temp__pro;

/**
 *
 * @author WizardMan
 */
public class Main {

    /**
     * @param args the command line arguments
     */
    public static void main(String[] args) {


        java.awt.EventQueue.invokeLater(new Runnable() {
            public void run() {
                new registration().setVisible(true);
            }
        });
    }
        // TODO code application logic here
    }


-----------------------------------------------------------------------------

/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */

/*
 * registration.java
 *
 * Created on Dec 4, 2010, 7:11:02 PM
 */

package temp__pro;

import java.sql.SQLException;
import java.util.logging.Level;
import java.util.logging.Logger;

/**
 *
 * @author WizardMan
 */
public class registration extends javax.swing.JFrame {


    DB_cl j = new DB_cl();

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

    /** This method is called from within the constructor to
     * initialize the form.
     * WARNING: Do NOT modify this code. The content of this method is
     * always regenerated by the Form Editor.
     */
    @SuppressWarnings("unchecked")
    // <editor-fold defaultstate="collapsed" desc="Generated Code">
    private void initComponents() {

        first = new javax.swing.JTextField();
        last = new javax.swing.JTextField();
        user = new javax.swing.JTextField();
        passwd = new javax.swing.JTextField();
        jLabel1 = new javax.swing.JLabel();
        jLabel2 = new javax.swing.JLabel();
        jLabel3 = new javax.swing.JLabel();
        jLabel4 = new javax.swing.JLabel();
        jButton1 = new javax.swing.JButton();

        setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);

        jLabel1.setText("First");

        jLabel2.setText("Last");

        jLabel3.setText("Usr");

        jLabel4.setText("pass");

        jButton1.setText("Submit");
        jButton1.addMouseListener(new java.awt.event.MouseAdapter() {
            public void mouseClicked(java.awt.event.MouseEvent evt) {
                jButton1MouseClicked(evt);
            }
        });

        javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
        getContentPane().setLayout(layout);
        layout.setHorizontalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(layout.createSequentialGroup()
                .addContainerGap()
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)
                    .addGroup(layout.createSequentialGroup()
                        .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                            .addComponent(jLabel1)
                            .addComponent(jLabel2)
                            .addComponent(jLabel3))
                        .addGap(12, 12, 12))
                    .addGroup(layout.createSequentialGroup()
                        .addComponent(jLabel4)
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)))
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                    .addGroup(layout.createSequentialGroup()
                        .addGap(10, 10, 10)
                        .addComponent(jButton1))
                    .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false)
                        .addComponent(first, javax.swing.GroupLayout.DEFAULT_SIZE, 86, Short.MAX_VALUE)
                        .addComponent(last)
                        .addComponent(user)
                        .addComponent(passwd)))
                .addContainerGap(364, Short.MAX_VALUE))
        );
        layout.setVerticalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(layout.createSequentialGroup()
                .addGap(60, 60, 60)
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(first, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                    .addComponent(jLabel1))
                .addGap(18, 18, 18)
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(last, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                    .addComponent(jLabel2))
                .addGap(18, 18, 18)
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(user, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                    .addComponent(jLabel3))
                .addGap(18, 18, 18)
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(passwd, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                    .addComponent(jLabel4))
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
                .addComponent(jButton1)
                .addContainerGap(161, Short.MAX_VALUE))
        );

        pack();
    }// </editor-fold>

    private void jButton1MouseClicked(java.awt.event.MouseEvent evt) {

        String f = first.getText();
        String l = last.getText();
        String u = user.getText();
        String p = passwd.getText();

        //String sql = "insert into pro(firstname, lastname,username, password) values (f,l,u,p)";
        try {
            j.insert("insert into " +
"pro(firstname, lastname, username, password) " +
" values(f,l,u,p)");
            // TODO add your handling code here:
        } catch (SQLException ex) {
            Logger.getLogger(registration.class.getName()).log(Level.SEVERE, null, ex);
        }
    }

    /**
    * @param args the command line arguments
    */
    public static void main(String args[]) {
        java.awt.EventQueue.invokeLater(new Runnable() {
            public void run() {
                new registration().setVisible(true);
            }
        });
    }

    // Variables declaration - do not modify
    private javax.swing.JTextField first;
    private javax.swing.JButton jButton1;
    private javax.swing.JLabel jLabel1;
    private javax.swing.JLabel jLabel2;
    private javax.swing.JLabel jLabel3;
    private javax.swing.JLabel jLabel4;
    private javax.swing.JTextField last;
    private javax.swing.JTextField passwd;
    private javax.swing.JTextField user;
    // End of variables declaration

}