public class Singleton {
    private static final Singleton instance = new Singleton();

    // Private constructor prevents instantiation from other classes
    private Singleton() {



		String url = "jdbc:mysql:///test";  // baza de date "test"
		String user = "root";
		String password = "101010";
	    Class.forName ("com.mysql.jdbc.Driver").newInstance ();
        conn = DriverManager.getConnection (url, user, password);
        System.out.println ("Database connection established");

    }

    public static Singleton getInstance() {
            return instance;
    }
}