In a Java program, the standard method in the execution path is called ______________.

__________ are important in compilers and operating systems—insertions and deletions are made only at one end of a __________—its top.

a) Linked lists, linked list b) Queues, queue c) Stacks, stack d) Binary trees, binary tree

__________ represent waiting lines; insertions are made at the back (also called the tail) and deletions are made from the front (also called the head) of a __________.

a) Linked lists, linked list b) Queues, queue c) Stacks, stack d) Binary trees, binary tree