Java Swing - Inserindo caixa de texto (JTextField) de forma dinâmica em um painel com o Layout GridBagLayout
//Insira um Panel chamado: jpanelDinamico //Mude o layout para GridBagLayout private Map<String, JTextField> jtxtMap = new HashMap<>(); private GridBagConstraints gbc = new GridBagConstraints(); private void limparPainel(){ this.jpanelDinamico.removeAll(); this.jtxtMap.clear(); }//end method private void atualizarPainel(){ SwingUtilities.invokeLater(() -> { updatePanel(this.jpanelDinamico); }); }//end method private void updatePanel(JPanel panel) { ...