You have already been previously warned about posting actual Sun SCJP questions. As mentioned, posting these questions are a violation of the Sun copyright, and using them is considered cheating -- neither of these is allowed on the Ranch. Please don't do this again !!
t is a reference variable,it holds values through which it can point to the object.An object lives in the garbage collectible heap and not inside the reference variable itself. Don't confuse reference variable with the object.