This week's book giveaway is in the OCAJP 8 forum. We're giving away four copies of OCA Java SE 8 Programmer I Study Guide and have Edward Finegan & Robert Liguori on-line! See this thread for details.
and then proceeded to add each crayonBox to the mainBox, would there be any loss of...whats it called i mean that the mainBox, being an ArrayList of ArrayLists, would be ok to hold ArrayLists<crayons>? i remember before i knew about AraryList<Object> i had to cast and recast things all the time, but would i have to do any of that in this case? i wasnt sure since the main box is ArrayList<ArrayList> and not ArrayList<ArrayList<crayons>> ??? if that kind of thing is existent or necessary. sorry if this is a lame question