Ref.: Criando JFrame

/*
 * CadastroPadrao2.java
 *
 * Created on 30 de Outubro de 2007, 13:41
 */

package padroes;

import java.sql.Connection;
import utilitarios.PreencheObjetos;

/**
 *
 * @author  prs0807
 */
public class CadastroPadrao2 extends javax.swing.JFrame {
    private StringBuffer sbSQL;
    private Connection cnnConexao;
    
    /** Creates new form CadastroPadrao2 */
    public CadastroPadrao2(StringBuffer sbSQL, Connection cnnConexao) {
        this.sbSQL = sbSQL;
        this.cnnConexao = cnnConexao;
                
        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.
     */
    // <editor-fold defaultstate="collapsed" desc=" Código Gerado ">                          
    private void initComponents() {
        jScrollPane1 = new javax.swing.JScrollPane();
        jTable1 = new javax.swing.JTable();

        setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
        addWindowListener(new java.awt.event.WindowAdapter() {
            public void windowOpened(java.awt.event.WindowEvent evt) {
                formWindowOpened(evt);
            }
        });

        jTable1.setModel(new javax.swing.table.DefaultTableModel(
            new Object [][] {
                {null, null, null, null},
                {null, null, null, null},
                {null, null, null, null},
                {null, null, null, null}
            },
            new String [] {
                "Título 1", "Título 2", "Título 3", "Título 4"
            }
        ));
        jScrollPane1.setViewportView(jTable1);

        org.jdesktop.layout.GroupLayout layout = new org.jdesktop.layout.GroupLayout(getContentPane());
        getContentPane().setLayout(layout);
        layout.setHorizontalGroup(
            layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)
            .add(layout.createSequentialGroup()
                .addContainerGap()
                .add(jScrollPane1, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, 780, Short.MAX_VALUE)
                .addContainerGap())
        );
        layout.setVerticalGroup(
            layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)
            .add(org.jdesktop.layout.GroupLayout.TRAILING, layout.createSequentialGroup()
                .addContainerGap(111, Short.MAX_VALUE)
                .add(jScrollPane1, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, 478, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE)
                .addContainerGap())
        );
        pack();
    }// </editor-fold>                        

    private void formWindowOpened(java.awt.event.WindowEvent evt) {                                  
        PreencheObjetos.fill(jTable1, this.sbSQL, this.cnnConexao);
    }                                 
    
    // Declaração de variáveis - não modifique                     
    private javax.swing.JScrollPane jScrollPane1;
    private javax.swing.JTable jTable1;
    // Fim da declaração de variáveis                   
    
}