This code is generated by NetBeans. Although it is very simple, it is a good way to understand encapsulation.
jButtonAdd.setText("Add");
jButtonAdd.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButtonAddActionPerformed(evt);
}
});
private void jButtonAddActionPerformed(java.awt.event.ActionEvent evt) {
// TODO add your handling code here:
}