This week's book giveaway is in the OCPJP forum. We're giving away four copies of OCA/OCP Java SE 7 Programmer I & II Study Guide and have Kathy Sierra & Bert Bates on-line! See this thread for details.
I was reading Gina(Groovy in Action) and its Section 3.1 clearly states that in Groovy World everything is 'Object' and replaces corresponding wrappers wherever required.
I tried a small example as follows:
On decompiling found that in line1 groovy replaces new Integer(1) but for line2 it declares int variable (rather then Integer reference type).
Any of the rancher wants to throw some light on this ?