Answered: Analyze the snippet of code below. Identify the data structure used in this snippet of code, and explain what the method decipherMe is computing.

Database System Concepts

7th Edition

ISBN: 9780078022159

Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher: McGraw-Hill Education

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Analyze the snippet of code below. Identify the data structure used in this snippet of code, and explain
what the method decipherMel) is computing.
public void decipherMe (SomeNode currentNode, SomeNode newNode) {
String currentName, newNodeKey;
int strComparison;
newNodeKey = newNode.key;
currentKey = currentNode.key;
strComparison = currentKey.compareToIgnoreCase(newNodeKey);
if (strComparison < 0) {
if (currentNode.rightChild
}
}
} else {
==
null) {
currentNode.rightChild = newNode;
newNode.parent = currentNode;
} else {
decipherMe (currentNode.rightChild, newNode);
if (currentNode.leftChild == null) {
currentNode.leftChild = newNode;
newNode.parent = currentNode;
} else {
decipherMe (currentNode.left Child, newNode);
}
}
Answer (Multiple Choice):
a)
The data structure that is used this snippet of code is a stack. The method decipherMe
implements a PUSH operation.
b) The data structure that is used in this snippet of code is a binary search tree. The method
decipherMe emulates a search to find out where in the binary search tree to insert a new node.
c) The data structure that is used in this snippet of code is a singly linked list. The method deci-
pherMe logically removes from the singly linked list the node located immediately after the
current node.
d) The data structure that is used in this snippet of code is a singly linked list. The method deci-
pherMe inserts a new node into the singly linked list.

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