conexion

Connection con;
String url = "jdbc:mysql://localhost:3306/bd_ventas?serverTimezone=EST5EDT";
String user = "root";
String pass = "123456";
public Connection Conexion() {
try {
Class.forName("com.mysql.jdbc.Driver");
con = DriverManager.getConnection(url, user, pass);
System.out.println("Conexion exitosa");
} catch (Exception e) {
System.out.println("Error conexion");
}
return con;
}
//otra forma de conexion-------------------------
private Statement consulta = null;
private ResultSet data = null;
String bd = "compras";
String driver = "com.mysql.cj.jdbc.Driver";
String user = "root";
String password = "123456";
String url = "jdbc:mysql://localhost/" + bd + "?useTimezone=true&serverTimezone=UTC";
Connection con = null;
public int MAXROW = 5;
//metodo para abrir la conexion
public void con() {
try {
Class.forName(driver);//cargamos el driver registramos
con = DriverManager.getConnection(url, user, password);
System.out.println("Conexion exitosa..ok");
this.consulta = con.createStatement(); //inicializamos el objeto Statement para SQL
} catch (Exception e) {
System.out.println("Eror de Conexion " + e.getMessage());
}
}
//metodo para cerrar la conexion
public void desconectar() {
try {
if (con != null) {
this.con.close();
}
} catch (Exception e) {
System.out.println("Error de desconexion " + e.getMessage());
}
}