Self-Review Exercises
21.1 Fill in the blanks in each of the following statements:
a) A self-__________ class is used to form dynamic data structures that can grow and shrink at execution time.
b) A(n) __________ is a constrained version of a linked list in which nodes can be inserted and deleted only from the start of the list.
c) A method that does not alter a linked list, but simply looks at it to determine whether it’s empty, is referred to as a(n) __________ method.
d) A queue is referred to as a(n) __________ data structure because the first nodes inserted are the first ones removed.
e) The reference to the next node in a linked list is referred to as a(n) __________.
f) Automatically reclaiming dynamically allocated memory in Java is ...
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