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− | == Friday (11/20/09) ==
| + | #REDIRECT [[IB Computer Science 2]] |
− | '''Agenda:'''
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− | * Demo your Linked-List AddressBook. It should be able to do the following:
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− | ** add a Contact
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− | ** print list of Contacts
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− | ** find a Contact
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− | ** sort list of Contacts
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− | * Re-Introduction to Binary Tree
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− | ** [[Media:BinaryTreeNode.java]]
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− | ** [[Media:BinaryTree.java]]
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− | ** [[Media:BinaryTreeTestMain.java]]
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− | * Create 3 new classes called ContactBTNode, ContactBinaryTree, and ContactBTTestMain
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− | * Convert the 3 given binary tree classes to use Contacts instead of ints
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− | | |
− | == Wednesday (11/18/09) ==
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− | '''Warmup:'''
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− | * What is the algorithm for a linear search?
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− | * What is the algorithm for a selection sort?
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− | * What is the algorithm for a bubble sort?
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− | | |
− | '''Agenda:'''
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− | * int find(String fn, String ln) in the ContactLinkedList
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− | ** Add the find() option to your AddressBookMain and AddressBook
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− | ** find() in the AddressBook should use the ContactLinkedList's find() and then ContactLinkedList's getContact()
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− | * void selectionSort() in the ContactLinkedList
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− | * You should move the bubbleSort() into the ContactLinkedList and complete the method yourself
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− | * Removing a Contact
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− | ** Add a remove option to your AddressBookMain
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− | ** Create a remove(String fn, String ln) method in your AddressBook
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− | ** In the method, use the ContactLinkedList's find() method to get the index of the Contact
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− | ** Check if the index is valid (not the error code), and if so, then use the ContactLinkedList's remove() method using that index
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− | * Demo a completely working AddressBook
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− | | |
− | == Monday (11/16/09) ==
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− | '''Warmup:'''
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− | * Open your Contact class and review the code
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− | | |
− | '''Agenda:'''
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− | * Contact class review as a class
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− | * Create a new class from your Node class and called ContactNode
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− | ** Do this as a class...quickly
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− | * Create a new class called ContactLinkedList
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− | ** Do this as a class...quickly
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− | * Convert your LinkedList to use ContactNode and call it ContactLinkedList
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− | ** Go through one or two examples as a class
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− | * Be sure to test your ContactLinkedList
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− | * AddressBook class review as a class
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− | * Convert your AddressBook to use ContactLinkedList instead of an array
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− | ** Comment out the parts for find(), selectionSort(), and bubbleSort(). We will convert these later
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− | ** Be sure to test your AddressBook with LOTS of contacts
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− | | |
− | '''Homework:'''
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− | * Complete the AddressBook conversion over to ContactLinkedList by Wednesday (11/18/09)
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− | * Be ready to demo your AddressBookMain
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− | | |
− | == Thursday (11/12/09) ==
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− | '''Agenda:'''
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− | * Abstract data types review
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− | * Introduction to Binary Tree
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− | ** [[Media:BinaryTreeNode.java]]
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− | ** [[Media:BinaryTree.java]]
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− | ** [[Media:BinaryTreeTestMain.java]]
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− | * Demo your LinkedList
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− | * Contact class review
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− | * Create a new class from your Node class and called ContactNode
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− | * Create a new class called ContactLinkedList
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− | * Convert your LinkedList to use ContactNode and call it ContactLinkedList
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− | * Be sure to test your ContactLinkedList
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− | * AddressBook class review
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− | * Convert your AddressBook to use ContactLinkedList instead of array
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− | ** Comment out the methods for find(), selectionSort(), and bubbleSort(). We will convert these later
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− | ** Be sure to test your AddressBook with LOTS of contacts
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− | | |
− | == Monday (11/9/09) ==
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− | '''Agenda:'''
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− | * Turn in homework
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− | * Demo DynamicQueue
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− | * Introduction to Linked Lists
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− | ** [[Media:LinkedList.java]]
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− | ** Attributes: head, tail, size
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− | ** Constructors: default
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− | ** Methods:
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− | *** isEmpty() - returns true if the LinkedList is empty, and false otherwise
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− | *** void add(int num) - adds a new Node with num at the end of the LinkedList
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− | *** void add(int num, int index) - adds a new Node with num at the index specified
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− | **** There are FIVE different scenarios when you add a Node
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− | **** DRAW the before-and-after pictures for all FIVE secenarios
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− | *** int remove(int index) - removes the index-th Node and returns its data
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− | **** There are SIX different scenarios when you remove a Node
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− | *** print() - traverses the LinkedList and prints out each Node's data
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− | ** Create a main method to test out all the methods and scenarios of LinedList
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− | | |
− | '''Homework:'''
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− | * Complete the LinkedList class and all its methods by the beginning of class on Thursday (11/12/09)
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− | * Mr. Bui will give you his LinkedListMain on Thursday to test
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− | | |
− | == Thursday (11/5/09) ==
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− | '''Warmup:'''
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− | * Draw the before-and-after pictures for adding a Node to an empty Queue (be sure to use head and tail!)
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− | * Draw the before and after pictures for adding a Node to a non-empty Queue
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− | * Draw the before-and-after pictures for removing a Node from an empty Queue
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− | * Draw the before and after pictures for removing a Node from a non-empty Queue
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− | | |
− | '''Agenda:'''
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− | * Return 1st Quarter Exams
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− | * Dynamically-sized Queues
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− | ** Create a new class called DynamicQueue
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− | *** [[Media:DynamicQueue.java]]
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− | ** Test out your DynamicQueue using the original QueueMain file
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− | * Introduction to Linked Lists
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− | ** [[Media:LinkedList.java]]
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− | ** Attributes: head, tail, size
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− | ** Constructors: default
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− | ** Methods:
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− | *** isEmpty() - returns true if the LinkedList is empty, and false otherwise
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− | *** void add(int num) - adds a new Node with num at the end of the LinkedList
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− | *** void add(int num, int index) - adds a new Node with num at the index specified
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− | **** There are FIVE different scenarios when you add a Node
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− | **** DRAW the before-and-after pictures for all FIVE secenarios
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− | *** int remove(int index) - removes the index-th Node and returns its data
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− | **** There are SIX different scenarios when you remove a Node
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− | *** print() - traverses the LinkedList and prints out each Node's data
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− | | |
− | '''Homework:'''
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− | * Complete DynamicQueue!
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− | * Draw the before-and-after diagrams (all SIX scenarios) for the LinkedList's remove() method
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− | | |
− | == Monday (11/2/09) ==
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− | '''Warmup:'''
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− | * Assume that you have allocated memory for a new int array of 10000 elements. An int is 32-bits in size, and there are 8-bits in 1 byte. How many bytes of memory are you taking up?
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− | * If there are 1024 bytes in a kilobyte, how many kilobytes are you taking up?
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− | | |
− | '''Agenda:'''
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− | * Dynamically-sized Stacks
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− | ** Create a new class called DynamicStack
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− | *** [[Media:DynamicStack.java]]
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− | ** What attribute must we keep track of when we talk about stacks?
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− | ** Create a Node reference for the most important stack attribute
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− | ** Implement push(int num) using Nodes.
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− | *** push() should not return anything
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− | *** push() creates a new Node with the num, and set the new Node's next reference to the top
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− | *** Don't forget to update the top to be the new node!
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− | ** Implement pop(), which should POP and return the value on top of the stack and update the top
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− | ** Implement top(), which should just return the value on top of the stack
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− | ** Implement isEmpty() which returns true if the stack is empty
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− | ** Implement print() which should print your entire stack
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− | ** TEST YOUR STACK USING MR. BUI'S STACK MAIN OR YOUR OWN MAIN METHOD
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− | | |
− | == Thursday (10/29/09) ==
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− | * 1st Quarter Exam
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− | | |
− | == Tuesday (10/27/09) ==
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− | '''Warmup:'''
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− | * Pass in your Prototype Solution to Mr. Bui
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− | * Given the following code, draw the memory diagram:
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− | | |
− | <source lang="Java">
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− | Node fun = new Node(42);
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− | Node general = new Node (11);
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− | Node a, b, c;
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− | | |
− | a = general;
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− | b = a;
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− | fun.next = b;
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− | c = fun;
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− | </source>
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− | | |
− | '''Agenda:'''
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− | * Pass back Stacks quiz
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− | * Prototype Solution peer review
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− | * 1st Quarter Exam Review
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− | ** Java programming
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− | ** class construction
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− | ** methods
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− | *** components of the method header
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− | ** Stacks
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− | *** how they work
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− | *** operations: push(), pop(), top(), isEmpty()
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− | *** why we use them
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− | *** example uses
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− | ** Queues
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− | *** how they work
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− | *** operations: add(), remove(), head(), tail(), isEmpty()
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− | *** why we use them
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− | *** example uses
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− | ** Nodes and reference variables
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− | *** Memory diagram and tracing code
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− | | |
− | == Friday (10/23/09) ==
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− | '''Agenda:'''
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− | * Object and References Review
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− | ** [[Media:Point.java]]
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− | ** [[Media:ReferencesReview.java]]
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− | * Node class
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− | ** [[Media:Node.java]]
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− | ** [[Media:NodeFun.java]]
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− | * Node references practice
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− | ** [[Media:NodeFunAgain.java]]
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− | | |
− | '''Homework:'''
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− | * Dossier - Prototype Solution rough draft due Tuesday (10/27/09)
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− | | |
− | == Wednesday (10/21/09) ==
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− | '''Warmup:'''
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− | * Give 2 specific examples of when a queue should be used
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− | * Identify the following parts in each of the method declarations: access type, return type, method name, parameters
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− | ** public int getSize()
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− | ** private String whatNot(String whatFor)
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− | ** public void print(int size, String stuff)
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− | | |
− | '''Agenda:'''
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− | * Make-up stack quiz for people who were absent on Monday
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− | * Demo your fixed [[Media:Queue.java]] by using [[Media:QueueMain.java]]
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− | * Criteria for Success peer review
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− | * Object and References Review
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− | ** [[Media:Point.java]]
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− | ** [[Media:ReferencesReview.java]]
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− | * Node class
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− | ** [[Media:Node.java]]
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− | ** [[Media:NodeFun.java]]
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− | * Node references practice
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− | * Read through [[Media:CriterionA3_prototypeSolution.doc]]
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− | * Begin working on your Prototype Solution. It will be due next Tuesday (10/27/09).
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− | | |
− | '''Homework:'''
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− | * Dossier - Prototype Solution rough draft due Tuesday (10/27/09)
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− | | |
− | == Monday (10/19/09) ==
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− | '''Warmup:'''
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− | * What does LIFO stand for?
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− | * What does LIFO describe?
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− | * When would you want a LIFO?
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− | | |
− | '''Agenda:'''
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− | * Stack quiz
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− | * Queues
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− | ** [[Media:Queues.ppt]]
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− | ** [[Media:Queue.java]]
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− | ** [[Media:QueueMain.java]]
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− | * Fix Queue.java so that it works. You must fill in all the method bodies
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− | | |
− | '''Homework:'''
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− | * Dossier - Criteria for Success rough draft due Wednesday (10/21/09)
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− | * Turn in late assignments! Examples: AddressBook sorting, Problem Analysis, etc.
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− | | |
− | == Thursday (10/15/09) ==
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− | '''Warmup:'''
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− | * Demo any missing work
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− | * Finish adding bubble sort and selection sort to your AddressBook
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− | ** Hint1: You cannot simply compare Contacts, but you can compare their last names
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− | ** Hint2: You cannot sort the ENTIRE Contact array, you can only sort the ones that you have added
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− | ** Hint3: You should test our the sorting methods by adding a (s)ort option to your AddressBookMain
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− | | |
− | '''Agenda:'''
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− | * Introduction to Data Structures
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− | * Stacks
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− | ** [[Media:Stacks.ppt]]
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− | ** [[Media:Stack.java]]
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− | ** [[Media:StackMain.java]]
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− | * Go through [[Media:CriterionA2_criteriaforSuccess.doc]]
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− | * Begin working on your Criteria for Success. It will be due next Wednesday (10/21/09).
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− | | |
− | '''Homework:'''
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− | * Stacks quiz on Monday (10/19/09)
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− | * Dossier - Criteria for Success rough draft due Wednesday (10/21/09)
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− | * Turn in late assignments! Examples: AddressBook sorting, Problem Analysis, etc.
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− | | |
− | == Tuesday (10/13/09) ==
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− | '''Warmup:'''
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− | * Please complete this [https://spreadsheets.google.com/viewform?formkey=dGx5Uy1JVGRXcDNJV0NHOEJvZ21vX2c6MA password request form]
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− | * What are the advantages and disadvantages of the binary search algorithm?
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− | | |
− | '''Agenda:'''
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− | * Dossier peer review - Analysis of the Problem
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− | * Demo any missing work
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− | * Sorting & Searching Review
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− | ** Selection Sort
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− | ** Bubble Sort
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− | ** Linear Search
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− | ** Binary Search
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− | * Examples of using the String.compareTo() method
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− | ** [[Media:CompareToDemo.java]]
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− | ** [[Media:CompareToDemo2.java]]
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− | * Fix [[Media:StringBinarySearch.java]] such that it uses binary search to find a String. Hint: You will be using the compareTo()
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− | * Demo StringBinarySearch to Mr. Bui by the end of today.
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− | * You should then add selectionSort() to your AddressBook class. It sorts your AddressBook Contact array by last name using the selection sort algorithm. You may assume that everybody will have a different last name.
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− | * You should then add bubbleSort() to your AddressBook class. It sorts your AddressBook Contact array by last name using the bubble sort algorithm. You may assume that everybody will have a different last name.
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− | * Demo the two sorting methods to Mr. Bui before Thursday.
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− | * Read through [[Media:CriterionA2_criteriaforSuccess.doc]]
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− | * Begin working on your Criteria for Success. It will be due next Wednesday (10/21/09).
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− | | |
− | == Thursday (10/8/09) ==
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− | '''Warmup:'''
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− | * Given the array of integers: 3, 6, 2, 7, 9, 5, 2, 3
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− | * Illustrate the bubble sort algorithm to sort the numbers
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− | | |
− | '''Agenda:'''
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− | * Introduction to Linear Search
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− | * Download [[Media:LinearSearch.java]]
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− | * Fill in the commented parts of LinearSearch.java and demo a working linear search to Mr. Bui
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− | * Linear Search performance evaluation
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− | # What is the best case scenario? i.e. What is the minimum # of comparisons?
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− | # What is the worst case scenario? i.e. What is the maximum # of comparisons?
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− | # What is the average # of comparisons?
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− | # Can we do better than a linear search?
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− | | |
− | * Introduction to Binary Search
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− | # Assume sorted list
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− | # Go to the middle point
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− | # If the middle element matches the key, then the search is over
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− | # If the key is less than middle element, go to the left (down), else go to the right (up)
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− | # Repeat steps 2-4 until the key is found or when the left and right bounds pass each other
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− | | |
− | * [http://euler.slu.edu/~goldwasser/demos/BinarySearch/ Binary Search Demo]
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− | * [http://www.cosc.canterbury.ac.nz/people/mukundan/dsal/BSearch.html Binary Search Demo2]
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− | * [[Media:BinarySearch.java]]
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− | * Binary Search performance evaluation
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− | # What is the best case scenario? i.e. What is the minimum # of comparisons?
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− | # What is the worst case scenario? i.e. What is the maximum # of comparisons?
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− | # What is the average # of comparisons?
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− | * Binary Search Advantages & Disadvantages
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− | | |
− | '''Homework:'''
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− | * 1st rough draft of Analysis of the Problem due Tuesday (10/13/08)
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− | * Any missing assignments (e.g. AddressBook, SelectionSort, BubbleSort)
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− | | |
− | == Tuesday (10/6/09) ==
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− | '''Warmup:'''
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− | * Upload AddressBook.java and AddressBookMain.java to SchoolWebLockers
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− | * Demo SelectionSort.java to Mr. Bui
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− | * Turn in your Dossier idea sentence
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− | | |
− | '''Agenda:'''
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− | * Introduction to Bubble Sort
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− | # Initialize the front to be the top or beginning of the array
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− | # Now go to the bottom/end of the array
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− | # Compare the two adjacent elements to see if they are in proper sequential order
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− | ## Swap the elements if they are out of order (bigger number to the left of smaller number)
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− | # Move to the next pair of adjacent elements/numbers
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− | # Repeat steps 3 and 4 until the smallest number has "floated" to the top/front
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− | # After you traverse the entire array
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− | ## Move the front so that the sorted numbers are ignored
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− | ## Go back to the end of the array
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− | ## Repeat steps 2 through 6 for the unsorted part of the array
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− | * [http://web.engr.oregonstate.edu/~minoura/cs162/javaProgs/sort/BubbleSort.html Bubble Sort Animation]
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− | * Download [[Media:BubbleSort.java]]
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− | ** Fill in the commented parts of the BubbleSort.java file. Where there is a comment, you need to write code.
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− | ** Demo to Mr. Bui at the end of class or at the beginning of class tomorrow
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− | * Introduction to Program Dossier
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− | ** [[Media:CriterionA1_problemAnalysis.doc]]
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− | ** 1st rough draft of Analysis of the Problem due Tuesday (10/13/08)
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− | ** Work on your Analysis of the Problem section
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− | | |
− | == Friday (10/2/09) ==
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− | '''Warmup:'''
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− | * Swapping elements warmup
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− | | |
− | '''Agenda:'''
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− | * Demo [[AddressBook class lab assignment]] and any other missing assignments
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− | * Submit your AddressBook and AddressBookMain on-line to Mr. Bui's SchoolWebLockers
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− | * Review Selection Sort
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− | * Download [[Media:SelectionSort.java]]
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− | ** Fill in the commented parts of the SelectionSort.java file. Where there is a comment, you need to write code.
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− | ** Demo to Mr. Bui at the end of class today
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− | * Introduction to Program Dossier
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− | ** [[Media:CriterionA1_problemAnalysis.doc]]
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− | | |
− | '''Homework:'''
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− | * Complete your [[AddressBook class lab assignment]] AND [[Media:SelectionSort.java]]
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− | * Have a 1 sentence description of your dossier ready at the beginning of next class
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− | | |
− | == Archives ==
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− | * [[IBCS2 - May]]
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− | * [[IBCS2 - April]]
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− | * [[IBCS2 - March]]
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− | * [[IBCS2 - February]]
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− | * [[IBCS2 - January]]
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− | * [[IBCS2 - December]]
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− | * [[IBCS2 - November]]
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− | * [[IBCS2 - October]]
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− | * [[IBCS2 - September]]
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