May 2017
Intermediate to advanced
340 pages
8h 16m
English
Content preview from PHP 7 Data Structures and Algorithms
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Tree
A tree is the most widely used nonlinear data structure in the computing world. It is highly used for hierarchical data structures. A tree consists of nodes and there is a special node which is known as the root of the tree which starts the tree structure. Other nodes descend from the root node. Tree data structure is recursive which means a tree can contain many subtrees. Nodes are connected with each other through edges. We are going to discuss different types of trees, their operations, and purposes in Chapter 6, Understanding and Implementing Trees.
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