DEVRY ECET 370 Week 7 Lab 7 Binary Trees
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Exercise 1 : Lecture review : Binary Search Tree Create a project using the classes BinarySearchTree , Node , and Main in the DocSharing area labeled “ The BST ." Compile the project , run it , and review the code that is given carefully . These programs test the code discussed in our lecture .
Exercise 2 : An improved BST class Modify the class BinarySearchTree so that it contains the toString method , instead of the display method that was given originally .
Exercise 3 : Using a BST in an application Use a binary search tree to implement a dictionary that contains the keywords in the Java language . Test it . Note that you can use the programs from the previous exercises . For a list of the keywords in Java , visit http :// java . sun . com / docs / books / tutorial / java / nutsandbolts /_ keywords . html .
Exercise 4 : Recursion and Binary Trees Write a recursive algorithm that counts the nodes in a binary search tree .