Finding Folder Size including subfolders and files

Hi Friends,
Could you please Help in getting a Folder size through pure java.The folder contains subfolders and files.I have done rest of the things related to file operation and i can help in other things if you could please help in this regard.
thanks and regards
Avanish
Avanish Kumar Singh
Software Engineer
Samsung SDS India Development Center
Bangalore-560 001
[email protected]
[email protected]

thanks bbrita !
I too did the way it has given in reply but thats taking huge resource so if you know any direct way to find the directory size please let me know.
thanks and regards
avanish

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