public class conexion {
public String db ="Juntaagua";
public String url="jdbc:mysql://127.0.0.1:8889/"+db;
public String user="root";
public String pass= "root";
public int nombre = 1;

public conexion() {
}

public Connection conectar(){
Connection link = null;

    try {
        Class.forName("org.gjt.mm.mysql.Driver");
        link=DriverManager.getConnection(this.url, this.user, this.pass);
    } catch (ClassNotFoundException | SQLException e) {
        JOptionPane.showConfirmDialog(null, e);
    }

return link;
}