Java - připojení k db

package databaze;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.util.Date;

public class Databaze
{
  static void Say(String s)
  { System.out.println(s);}
public static void main(String[] args) {
System.out.println("Vypis sloupce databaze");

String driverName = "com.mysql.jdbc.Driver";

try {Class.forName(driverName);
}catch(Exception e){System.out.println("Chyba driveru");
System.out.println(e.toString());}

try {
Connection conn = DriverManager.getConnection ("jdbc.mysql://mysql.webzdarma.cz", "xxx", "xxx");
            java.sql.Statement st = conn.createStatement();
ResultSet rs = st.executeQuery("SELECT * FROM XXX");
while (rs.next()) {System.out.println(rs.getString(1));}

}catch(Exception e){System.out.println("Chyba připojení");
System.out.println(e.toString());}

}

  
}