Java chơi với MySQL

//mysql-connector-java-5.1.3-rc-bin.jar.zip
http://www.java2s.com/Code/JarDownload/mysql-connector-java-5.1.3-rc-bin.jar.zip
public void ConnectToMySql () {
    //Connection Information
    String host = “127.0.0.1”;
    String dbname = “mysql”;
    String port = “3306”;
    String username = “root”;
    String password = “”;
   
    Connection conn;
     Statement stmt;
     ResultSet rs;
     //Try using Driver to connect to MySQL
     //Required: Copy .JAR Connector File to $jdk/jre/lib/ext
     try {
        Class.forName(“com.mysql.jdbc.Driver”);
     } catch (ClassNotFoundException e) {
        System.err.print (“ClassNotFoundException: ” + e.getMessage ());
        return;
    }
    //Try connect with above info
    try {
        conn = DriverManager.getConnection (“jdbc:mysql://” +
            host + “:” + port + “/” + dbname , username, password);
        stmt = conn.createStatement ();           
        rs = stmt.executeQuery (“select User from user”);
        while (rs.next ()) {
            String s = rs.getString (“User”);
            System.out.println (s);
        }
        rs.close ();
        stmt.close ();
        conn.close ();
    } catch (Exception ex) {
        System.err.println(“SQLException: ” + ex.getMessage());
    }
}