Sara Brown wrote:every data inserted in the excel for example will increase the cpu memory? although it is not a big number but it does increase the memory, isn't it?
I'm not quite sure what this has to do with
Java, but the answer is: as long as the document is open - probably.
I say 'probably' because it's quite possible that any of the applications you mention may be able to 'page' portions of their documents, in the same way that an OS does with infrequently used memory.
Winston