Midterm Exam
 Date: Thursday, March 15, 2018
 Location: To be Determined
 Time: 7:15  9:15 pm
 What to bring: You may bring one 8.5" x 11" page
of notes with information on one side of the page only.
The page of notes may be either printed or hand written.
Your name should be printed somewhere on the page and you must turn in your page of notes with your exam.
Students are responsible for material covered in:
Note that this reference page will be provided in the exam.
A selection of sample exam questions (and solutions) will be made available prior to the exam..
Midterm exam topics
Topics List:
 General
Abstract data type (ADT), data structure, Java interfaces (defining, implementing, using an interface as a type), using Java generics, primitive vs. reference types in Java
 Lists
List ADT, List operations, implementing List using an array, implementing List using a chain of linked nodes, complexities of List operations
for different implementations, using a List
 Iterators
What they are, how to use them, how to implement one for an ADT
when the underlying data structure is an array or a chain of linked nodes
 Java Exceptions
Defining new exceptions, checked vs. unchecked, throwing an
exceptions using throw, handling an exception using trycatch, handling an
exception by passing it down the call stack, listing exceptions in a throws
clause
 Chains of Linked Nodes
List node, operations on chains of nodes, head pointer, tail pointer,
dummy header node, singly linked chains, doubly linked chains, circular linked
chains, comparison of chain variations
 Complexity
What complexity is, problem size, constant time (O(1)), linear time (O(N)), quadratic time (O(N^{2})),
bigO notation, worstcase vs. best/average cases, determining complexity of
Java code, limitations of complexity analysis
 Stacks
Stack ADT, Stack operations, implementing Stack using an array,
implementing Stack using chain of nodes variations, complexities of Stack
operations for different implementations, using a Stack
 Queues
Queue ADT, Queue operations, implementing Queue using array variations,
circular arrays, implementing Queue using chain of nodes variations, complexities
of Queue operations for different implementations, using a Queue
 Recursion
Recursive methods, base case, recursion rules, how method calls work (i.e.,
activation records and the call stack), recursion vs. iteration, recursive
data structures, analyzing complexity of recursive methods, recurrence
equations, determining complexity using recurrence relations
 Intro to Trees
Positionoriented vs. valueoriented ADTs, tree terminology (root, leaf, node,
edge, parent, child, sibling, ancestor, descendant, subtree, path, length of a
path, height of a tree, full tree, complete tree, heightbalanced tree, general vs binary trees)

Final Exam
 Date: Wednesday, May 9, 2018
 Time: 12:25  9:25 pm
 Location:132 Noland
 What to bring: You may bring one 8.5" x 11" page
of notes with information on both sides of the page.
The page of notes may be either printed or hand written.
Your name should be printed somewhere on the page and you must turn in your page of notes with your exam.
Students are responsible for material covered in:
Note that this reference page will be provided in the exam.
A selection of sample exam questions (and solutions) will be made available prior to the exam.
Topics List:
 Final exam topics
The final is cumulative although there will be much greater emphasis on the topics
covered since the midterm.
 Search
Java interfaces (defining, implementing, using an interface as a type), the
Comparable interface, sequential search, binary search, complexities of search algorithms
 Trees
General trees,
binary trees, implementation of trees, writing recursive methods that traverse a
tree, preorder traversal, postorder traversal, levelorder traversal, inorder
traversal
 Binary Search Trees
Binary search trees (BSTs), key value, implementing BSTs, algorithms for BST operations (print,
lookup, insert, delete), inorder successor, inorder predecessor,
complexities of BST operations
 RedBlack Trees
Balanced search trees, redblack trees, redblack tree properties, root property, red property, black property, algorithms for redblack tree operations (print, lookup, insert)
 Priority queues
Priority Queue ADT, implementing Priority Queue (using a heap, unsorted array, sorted chain of nodes, etc.) and implications for complexities, heap operations (algorithms & complexities), array implementation of
heaps
 Sorting
Comparison sort, bubble sort, insertion sort, selection sort, merge sort,
quick sort, heap sort, stable sort, radix sort, complexities of sorts (both in terms of time and
space), what input results in the best or worst case complexity
 Graphs
Graph terminology (node, edge, directed, undirected, source,
target, adjacent, successor, degree, indegree, outdegree, path,
acyclic, cyclic, complete graph, connected graph, weaklyconnected graph, stronglyconnected graph, weighted
graph, DAG), graph ADT (implementations &
complexities), representing edges using adjacency lists, representing edges using an adjacency matrix, graph traversals (BFS & DFS), applications of graph traversals (finding paths, topological ordering)
 Hashing
Hashing terminology (hash table, hash function, key, load factor, collision, ideal hashing),
hash table operations (algorithms & complexities),
 Data Structures in Computer Sustems
Binary numbers, computer organization, instruction format and execution, memory systems, interrupts, operating systems, virtual memory
