关于list 显示值的问题

	public List find_ceshi(String sql) {

		System.out.println("**"+sql);

		SQLQuery  q =  this.getSession().createSQLQuery(sql);

		return q.list();

	}

public List find_ceshi() {

		String sql ="select username,group_concat( welfares ,moneys),dept  from salary_fl where month='2011-04' group  by username";

		List list = wagesdao.find_ceshi(sql);

		return list;

	}

List list = wageserviceimp.find_ceshi();

			for (int i = 0; i < list.size(); i++) {

				System.out.println(list.get(i));

			}

    select

        username,

        group_concat( welfares ,

        moneys),

        dept  

    from

        salary_fl 

    where

        month='2011-04' 

    group  by

        username

[Ljava.lang.Object;@b4c69

[Ljava.lang.Object;@1c5ab93

[Ljava.lang.Object;@837311

[Ljava.lang.Object;@1f78541