15) In Java, "instantiation" means A) noticing the first time something is used B) creating a new object of the class C) creating a new alias to an existing object D) launching a method E) none of the above 16) An "alias" is when A) two different reference variables refer to the same physical object B) two different numeric variables refer to the same physical object C) two different numeric variables contain identical values D) two variables have the same names E) none of the above