i've found several codes in the internet which is works (said the author)
when i try to compile the codes (.java) there's a lot of errors occur. example
of the error is:
ContributorMgr.java:73:cannot resolve symbol
symbol: class ChatItem
location: class ContributorMgr
ChatItem ci = new ChatItem();
^

but i can compile ChatItem class.
why this problem happens?
how to overcome it?
anyone can help me?
thanks in advance