Quando preencho os campo e clico no botão salvar aparece esse erro:
Exception in thread "AWT-EventQueue-0" java.lang.NullPointerException
at br.com.projeto.Agenda.BD.inserir(BD.java:68)
at br.com.projeto.Agenda.Agenda.btSalvarActionPerformed(Agenda.java:442)
at br.com.projeto.Agenda.Agenda.access$200(Agenda.java:23)
at br.com.projeto.Agenda.Agenda$3.actionPerformed(Agenda.java:307)
at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:1995)
at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2318)
at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:387)
at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:242)
at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(BasicButtonListener.java:236)
at java.awt.AWTEventMulticaster.mouseReleased(AWTEventMulticaster.java:272)
at java.awt.Component.processMouseEvent(Component.java:6267)
at javax.swing.JComponent.processMouseEvent(JComponent.java:3267)
at java.awt.Component.processEvent(Component.java:6032)
at java.awt.Container.processEvent(Container.java:2041)
at java.awt.Component.dispatchEventImpl(Component.java:4630)
at java.awt.Container.dispatchEventImpl(Container.java:2099)
at java.awt.Component.dispatchEvent(Component.java:4460)
at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4577)
at java.awt.LightweightDispatcher.processMouseEvent(Container.java:4238)
at java.awt.LightweightDispatcher.dispatchEvent(Container.java:4168)
at java.awt.Container.dispatchEventImpl(Container.java:2085)
at java.awt.Window.dispatchEventImpl(Window.java:2478)
at java.awt.Component.dispatchEvent(Component.java:4460)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:599)
at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:269)
at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:184)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:174)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:169)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:161)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:122)
Aqui está o código do botão:
private void btSalvarActionPerformed(java.awt.event.ActionEvent evt) {
String nome = ctNome.getText();
String endereco = ctEndereco.getText();
String bairro = ctBairro.getText();
String cidade = ctCidade.getText();
String estado = ctEstado.getText();
String cep = ctCEP.getText();
String telefone = ctTelefone.getText();
String email = ctEmail.getText();
acesso.inserir(nome, endereco, bairro, cidade, estado, cep, telefone, email);
ctNome.setText("");
ctEndereco.setText("");
ctBairro.setText("");
ctCidade.setText("");
ctEstado.setText("");
ctCEP.setText("");
ctTelefone.setText("");
ctEmail.setText("");
}