public class JavaDBConnect {

    public static void main(String[] args) throws SQLException {

         try {
            Class.forName("com.mysql.jdbc.Driver");
            Connection con = (Connection) DriverManager.getConnection ("jdbc:mysql://YOUR DB URL", "root", "");

            Statement stmt = (Statement) con.createStatement();

            ResultSet rs=stmt.executeQuery("select * from users");

            while(rs.next())

            System.out.println(rs.getInt(1)+"  "+rs.getString(2)+"  "+rs.getString(3));
            con.close();

            }
         catch(Exception e){
             System.out.println(e);
            }
        }
    }