試題詳解

Which statement is true about the objects referenced by snoog, snooch, and booch immediately after line 23 executes?
(A) None of these objects are eligible for garbage collection.
(B) Only the object referenced by booch is eligible for garbage collection.
(C) Only the object referenced by snoog is eligible for garbage collection.
(D) Only the object referenced by snooch is eligible for garbage collection.
(E) The objects referenced by snooch and booch are eligible for garbage collection.