In the expression, >, T refers to any class that implements the interface O Cloneable O Comparable Generic O Exception 23 27 When defining a generic class, the type parameter(s) of the elements are enclosed in O and] O cand > O & and & O % and % 224 21 A list, whether sorted or unsorted, is empty if the size of the list is O-1 O 1 O 1000 25 27 Because all the elements of a list are of the same type, an effective, convenient, i.e., readily accessed, and efficient structure to use for processing a list is to store it in a(n)__ O file O database O array O container