you cant
Download virtual box by java
what technology is out right now that can actualy create a virtual world, and you can enter it, and if it is how much is it?
VMware and Windows Virtual PC
webkinz
akashyeash
You can create you own school at Second life online virtual Game.
guffins.com-virtual pets & pet games.com
Wizard101?
see related link
roblox
You can try Klapty
Usually virtual machines allow to create a shared folder for file sharing with other computers including the hosting computer. Create such folder and place the in the folder, access it from virtual machine.