CS 112
Lecture 16

Linked Lists

Textbook, Ch. 3. But careful, the linked list ADT in the book may be slightly different from the one I will be discussing in class.

list applet.
Dynamic memory allocation: when having an upper bound on the allocated memory is not good (e.g. for stacks and queues). When space is allocated and deallocated in an unpredictable fashion (as opposed to stacks and queues).
Linked lists: motivation, definition, operations: insert, delete, empty.
Informally drawing lists. Box representation.
Implementing a node of a list in C/C++: struct and typedef; pointers; arrow notation. Example and execution.

Allocating a new node in C/C++: the new operator.
Discussion of subtleties in implementing list operations. The head of a list.
Implementation of the operations on lists: insert, delete, empty, etc. Implementation of the Linked List ADT.
Next week: applications of lists, and: pointers, pointers, pointers...