Package org.w3c.dom.traversal

Provides interfaces for DOM Level 2 Traversal. Refer to the Document Object Model (DOM) Level 2 Traversal and Range Specification, the Traversal module contains specialized interfaces dedicated to traversing the document structure.

Since:: 1.5

Interface	Description
DocumentTraversal	`DocumentTraversal` contains methods that create `NodeIterators` and `TreeWalkers` to traverse a node and its children in document order (depth first, pre-order traversal, which is equivalent to the order in which the start tags occur in the text representation of the document).
NodeFilter	Filters are objects that know how to "filter out" nodes.
NodeIterator	`NodeIterators` are used to step through a set of nodes, e.g.
TreeWalker	`TreeWalker` objects are used to navigate a document tree or subtree using the view of the document defined by their `whatToShow` flags and filter (if any).

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https://docs.oracle.com/en/java/javase/11/docs/api/java.xml/org/w3c/dom/traversal/package-summary.html