求求大神帮个忙。。。。。非常感谢！！！！！！

Question

 package edu.jju.jdbc.example.dao;

import com.mchange.v2.c3p0.ComboPooledDataSource;
import java.sql.SQLException;
import java.util.Map;
import javax.sql.DataSource;
import org.apache.commons.dbutils.QueryRunner;
import org.apache.commons.dbutils.handlers.KeyedHandler;

/**
 *
 * @author Administrator
 */
public class ResultSetTest09 {  
    public static DataSource ds = null;
    //初始化C3P0数据源
    static {
        ComboPooledDataSource cpds = new ComboPooledDataSource();
        ds = cpds;
    }
    public static void testKeyedHandler() throws SQLException {
        String sql = "select id,name,password from user";
        QueryRunner qr = new QueryRunner(ds);
        Map<Object, Map<String, Object>> map = qr.query(sql, new KeyedHandler<Object>("id"));
        Map umap = (Map) map.get(new Integer(1));
        String uname = (String) umap.get("name");
        String upassword = (String) umap.get("password");
        System.out.println(uname + ":" + upassword);
    }
    public static void main(String[] args) throws SQLException {
        testKeyedHandler();
    }
}

//我的添加的一些JAR包

**
//我的XML文件**

// 运行有错误啊 。。。。我打完代码 又跟着书上的代码对照了好久，是一样的 但是运行不出来结果 烦。。。我的书是传智播客的书

Answer 1

<?xml version = "1.0" encoding = "UTF-8"?> 最后"UTF-8"后加个问号。