int column = jTable1.getColumnModel().getColumnIndexAtX(evt.getX());
    int row = evt.getY()/jTable1.getRowHeight();

    if(row < jTable1.getRowCount() && row>=0 && column < jTable1.getColumnCount() && column >=0){
        Object value = jTable1.getValueAt(row, column);

    if(value instanceof JButton){
            ((JButton)value).doClick();
            JButton boton = (JButton) value;
            System.out.println("Click");


        if(boton.getName().equals("R")){
            System.out.println("Boton Insertar");

          try{
                JOptionPane.showMessageDialog(null,"Voto Realizado");
                String query = "insert into voto(codigoVoto,horaVoto,codigoEstudiante,codigoCandidato)values(?,?,?,?)";
                PreparedStatement a=conexion.prepareStatement(query);
                a.setString(1,codigo.getText());
                a.setString(2,horaVoto.getText());
                a.setString(3,estudiante.getText());
                a.setString(4,codigoCandidato.getText());
                a.executeUpdate();
                JOptionPane.showMessageDialog(null,"Su voto fue registrado");

            }
    catch(HeadlessException | SQLException e){
        JOptionPane.showMessageDialog(null,e);
    }


        }

        }
    }
}

static PreparedStatement prepareStatement(String query) {
    throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates.

}






public String db="votsi";
public String Url="Jdbc:mysql://localhost:3306/"+db;
public String User="root";
public String Clave="";

public conexion(){

}

public Connection conectar(){
    Connection link=null;
    try{
        Class.forName("org.gjt.mm.mysql.Driver");
        link=DriverManager.getConnection(this.Url,this.User,this.Clave);
    }
    catch(ClassNotFoundException | SQLException e){
        JOptionPane.showMessageDialog(null,e);

    }
    return link