I am simply coding in Core java and I just want to Zip afolder with multiple folders inside it containing different typesof files like .jpg, .pdf etc...........how do i do that??? helpwith the code

Hi all, I need to Zip a number of files into a single .zip file andwrite that .zip file to a desired location..How can I do that?please help with the code if possible......

i have written a code in core java and a flex UI accessesthis code....from my java code i am creating a flex session which has a certain default timeout period after which theflex session expires.....i want to set that session expiry timefrom my java code manually.......how can i do that??? pleasehe...