how to insert and get japanese characters.

[zjf_web]

how to insert and get japanese characters.
I use mysql 4.1.11-win, connector-java 3.1.7. Os: Win2000-Japan
From command line:
mysql> show variables like '%char%';
Variable_name Value
character_set_client utf8
character_set_connection utf8
character_set_database utf8
character_set_results utf8
character_set_server utf8
character_set_system utf8
character_sets_dir D:\MySQL\MySQL Server 4.1\share\charsets/.
And insert into DB from command line:
mysql>insert into dbname (id, name) values(1, '日本語');
And get through command line:
mysql>select * from dbname where id = 1;
id name
1 '日本語’
That's OK.

But When I do it from java(not jsp), it does not work. Here is parts of the source:
url="jdbc:mysql://localhost:3306/dbname?useUnicode=true&characterEncoding=utf-8";
......
String s = rs.getString(2);
SortedMap sm = Charset.availableCharsets();
ArrayList al = new ArrayList(sm.values());
String[] charsets = new String [al.size()];
for(int i = 0; i < al.size(); i++) {
charsets = al.get(i).toString();
}
for(int i = 0; i < al.size(); i++) {
String s1 = charsets;
System.out.println(new String(s.getBytes("utf-8"),s1));
}

This time it does not work. Though I tried all available charsets.
Anyone can tell me where is wrong?