Red-Black Tree Insertion
Explore the process of inserting a node into a Red-Black Tree while maintaining its properties. Learn to identify key nodes, perform recoloring, and apply rotations in different cases to keep the tree balanced. Understand the step-by-step techniques needed to restore balance after insertion using Java implementations.
We'll cover the following...
Insertion in Red-Black Tree #
The following are the steps involved in inserting value into a Red-Black Tree:
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Insert currentNode using the standard BST insertion technique that we studied earlier, and make currentNode red.
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If currentNode is the root, then change the color of currentNode to black.
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If currentNode is not the root, then we will have to perform some operations to make the tree follow the Red-Black property.
Rebalancing the Tree #
To balance an unbalanced tree, we have two techniques which are used depending on some conditions that we will discuss shortly. The two techniques are: