try{
       Class.forName("com.mysql.jdbc.Driver").newInstance();
       java.sql.Connection conn;
       conn = DriverManager.getConnection(
            "jdbc:mysql://localhost/test?user=root");
       ps=conn.createStatement();
       rs=ps.executeQuery("select top 20 * from news");
       while(rs.next()){
        System.out.println(rs.getString(1));
       }
    }
    catch(Exception e){
      e.printStackTrace();
    }