CSE 222/505 – Homework 06


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Q1: Create and plot the worst RedBlack Tree with height of 6.
Q2:Code the binarySearch method of the BTree.
Q3: Complete the AVL Tree class by adding a new constructor that takes a binary tree and
checks whether this tree is AVL tree or not. Complete the AVL Tree class by providing the
missing methods for removal. Demonstrate that these methods work. Review the changes
required for methods decrementBalance, incrementBalance, rebalanceleft, and
rebalanceRight discussed at the end of Section 9 .2. Also, modify rebalanceleft (and
rebalanceRight) to consider the cases where the left (right) subtree is balanced. This case
can result when there is a removal from the right (left) subtree that causes the critical
imbalance to occur. This is still a Left-Left (RightRight) case, but after the rotation the overall
balances are not zero. This is illustrated in Figures 9.70 and 9.71 where an item is removed
from subtree c.
In addition, the Left-Right
(or Right-Left) case can
have a case in which the
(Right-Left) subtree is
balanced. In this case,
after the double rotation is
performed, all balances
are zero. This is
illustrated in Figures 9.72
through 9.74.
Book Student source code:
● Obey OOP principles and clean code standarts.
● Write a main and maintest classes for each question.
● Your submission is studentnumber.zip and include following files:
● o intelliJ project file
○ Q1 folder
○ Q2 folder
○ Q3 folder
● o Report.pdf
● o Javadoc
● The report must be in format “ReportFormat_hw6”
● For contact and questions “fesirci@gtu.edu.tr”