java 访问access

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
public class LinkAccess {
    /**
     * @param args
     */
    public static void main(String[] args) {
        // TODO Auto-generated method stub
        Connection con=null;
        Statement stmt=null;
        try {
            Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
            String url = "jdbc:odbc:driver={Microsoft Access Driver (*.mdb)};DBQ=E://test//jdbc.mdb";
            //           "jdbc:odbc:driver={Microsoft Access Driver(*.mdb)};DBQ=D://test//jdbc.mdb";
            //           少一个空格都不行。。。
            con = DriverManager.getConnection(url,"sa","");
            stmt = con.createStatement();
            String query = "select * from user";
            ResultSet rs = stmt.executeQuery(query);
            while(rs.next())
            {
                System.out.println("connection is ok.");
                System.out.println(rs.getInt("id"));
&