Java Uses of Interface javax.swing.tree.TreeNode（JDK11）

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Packages that use TreeNode
Package	Description
javax.swing	Provides a set of "lightweight" (all-Java language) components that, to the maximum degree possible, work the same on all platforms.
javax.swing.text	Provides classes and interfaces that deal with editable and noneditable text components.
javax.swing.text.html	Provides the class `HTMLEditorKit` and supporting classes for creating HTML text editors.
javax.swing.tree	Provides classes and interfaces for dealing with `javax.swing.JTree`.

Uses of TreeNode in javax.swing

Classes in javax.swing that implement TreeNode
Modifier and Type	Class	Description
`static class`	`JTree.DynamicUtilTreeNode`	`DynamicUtilTreeNode` can wrap vectors/hashtables/arrays/strings and create the appropriate children tree nodes as necessary.

Methods in javax.swing that return TreeNode
Modifier and Type	Method	Description
`TreeNode`	JTree.DynamicUtilTreeNode.`getChildAt(int index)`	Subclassed to load the children, if necessary.

Methods in javax.swing that return types with arguments of type TreeNode
Modifier and Type	Method	Description
`Enumeration<TreeNode>`	JTree.DynamicUtilTreeNode.`children()`	Subclassed to load the children, if necessary.

Constructors in javax.swing with parameters of type TreeNode
Constructor	Description
`JTree(TreeNode root)`	Returns a `JTree` with the specified `TreeNode` as its root, which displays the root node.
`JTree(TreeNode root, boolean asksAllowsChildren)`	Returns a `JTree` with the specified `TreeNode` as its root, which displays the root node and which decides whether a node is a leaf node in the specified manner.

Uses of TreeNode in javax.swing.text

Classes in javax.swing.text that implement TreeNode
Modifier and Type	Class	Description
`class`	`AbstractDocument.AbstractElement`	Implements the abstract part of an element.
`class`	`AbstractDocument.BranchElement`	Implements a composite element that contains other elements.
`class`	`AbstractDocument.LeafElement`	Implements an element that directly represents content of some kind.
`protected class`	`DefaultStyledDocument.SectionElement`	Default root element for a document... maps out the paragraphs/lines contained.

Methods in javax.swing.text that return TreeNode
Modifier and Type	Method	Description
`TreeNode`	AbstractDocument.AbstractElement.`getChildAt(int childIndex)`	Returns the child `TreeNode` at index `childIndex`.
`TreeNode`	AbstractDocument.AbstractElement.`getParent()`	Returns the parent `TreeNode` of the receiver.

Methods in javax.swing.text that return types with arguments of type TreeNode
Modifier and Type	Method	Description
`abstract Enumeration<TreeNode>`	AbstractDocument.AbstractElement.`children()`	Returns the children of the receiver as an `Enumeration`.
`Enumeration<TreeNode>`	AbstractDocument.BranchElement.`children()`	Returns the children of the receiver as an `Enumeration`.
`Enumeration<TreeNode>`	AbstractDocument.LeafElement.`children()`	Returns the children of the receiver as an `Enumeration`.

Methods in javax.swing.text with parameters of type TreeNode
Modifier and Type	Method	Description
`int`	AbstractDocument.AbstractElement.`getIndex(TreeNode node)`	Returns the index of `node` in the receivers children.

Uses of TreeNode in javax.swing.text.html

Classes in javax.swing.text.html that implement TreeNode
Modifier and Type	Class	Description
`class`	`HTMLDocument.BlockElement`	An element that represents a structural block of HTML.
`class`	`HTMLDocument.RunElement`	An element that represents a chunk of text that has a set of HTML character level attributes assigned to it.

Uses of TreeNode in javax.swing.tree

Subinterfaces of TreeNode in javax.swing.tree
Modifier and Type	Interface	Description
`interface`	`MutableTreeNode`	Defines the requirements for a tree node object that can change -- by adding or removing child nodes, or by changing the contents of a user object stored in the node.

Classes in javax.swing.tree that implement TreeNode
Modifier and Type	Class	Description
`class`	`DefaultMutableTreeNode`	A `DefaultMutableTreeNode` is a general-purpose node in a tree data structure.

Fields in javax.swing.tree declared as TreeNode
Modifier and Type	Field	Description
`protected TreeNode`	DefaultTreeModel.`root`	Root of the tree.

Fields in javax.swing.tree with type parameters of type TreeNode
Modifier and Type	Field	Description
`protected Vector<TreeNode>`	DefaultMutableTreeNode.`children`	array of children, may be null if this node has no children
`static Enumeration<TreeNode>`	DefaultMutableTreeNode.`EMPTY_ENUMERATION`	An enumeration that is always empty.

Methods in javax.swing.tree that return TreeNode
Modifier and Type	Method	Description
`TreeNode`	DefaultMutableTreeNode.`getChildAfter(TreeNode aChild)`	Returns the child in this node's child array that immediately follows `aChild`, which must be a child of this node.
`TreeNode`	DefaultMutableTreeNode.`getChildAt(int index)`	Returns the child at the specified index in this node's child array.
`TreeNode`	TreeNode.`getChildAt(int childIndex)`	Returns the child `TreeNode` at index `childIndex`.
`TreeNode`	DefaultMutableTreeNode.`getChildBefore(TreeNode aChild)`	Returns the child in this node's child array that immediately precedes `aChild`, which must be a child of this node.
`TreeNode`	DefaultMutableTreeNode.`getFirstChild()`	Returns this node's first child.
`TreeNode`	DefaultMutableTreeNode.`getLastChild()`	Returns this node's last child.
`TreeNode`	DefaultMutableTreeNode.`getParent()`	Returns this node's parent or null if this node has no parent.
`TreeNode`	TreeNode.`getParent()`	Returns the parent `TreeNode` of the receiver.
`TreeNode[]`	DefaultMutableTreeNode.`getPath()`	Returns the path from the root, to get to this node.
`protected TreeNode[]`	DefaultMutableTreeNode.`getPathToRoot(TreeNode aNode, int depth)`	Builds the parents of node up to and including the root node, where the original node is the last element in the returned array.
`TreeNode[]`	DefaultTreeModel.`getPathToRoot(TreeNode aNode)`	Builds the parents of node up to and including the root node, where the original node is the last element in the returned array.
`protected TreeNode[]`	DefaultTreeModel.`getPathToRoot(TreeNode aNode, int depth)`	Builds the parents of node up to and including the root node, where the original node is the last element in the returned array.
`TreeNode`	DefaultMutableTreeNode.`getRoot()`	Returns the root of the tree that contains this node.
`TreeNode`	DefaultMutableTreeNode.`getSharedAncestor(DefaultMutableTreeNode aNode)`	Returns the nearest common ancestor to this node and `aNode`.

Methods in javax.swing.tree that return types with arguments of type TreeNode
Modifier and Type	Method	Description
`Enumeration<TreeNode>`	DefaultMutableTreeNode.`breadthFirstEnumeration()`	Creates and returns an enumeration that traverses the subtree rooted at this node in breadth-first order.
`Enumeration<TreeNode>`	DefaultMutableTreeNode.`children()`	Creates and returns a forward-order enumeration of this node's children.
`Enumeration<? extends TreeNode>`	TreeNode.`children()`	Returns the children of the receiver as an `Enumeration`.
`Enumeration<TreeNode>`	DefaultMutableTreeNode.`depthFirstEnumeration()`	Creates and returns an enumeration that traverses the subtree rooted at this node in depth-first order.
`Enumeration<TreeNode>`	DefaultMutableTreeNode.`pathFromAncestorEnumeration(TreeNode ancestor)`	Creates and returns an enumeration that follows the path from `ancestor` to this node.
`Enumeration<TreeNode>`	DefaultMutableTreeNode.`postorderEnumeration()`	Creates and returns an enumeration that traverses the subtree rooted at this node in postorder.
`Enumeration<TreeNode>`	DefaultMutableTreeNode.`preorderEnumeration()`	Creates and returns an enumeration that traverses the subtree rooted at this node in preorder.

Methods in javax.swing.tree with parameters of type TreeNode
Modifier and Type	Method	Description
`TreeNode`	DefaultMutableTreeNode.`getChildAfter(TreeNode aChild)`	Returns the child in this node's child array that immediately follows `aChild`, which must be a child of this node.
`TreeNode`	DefaultMutableTreeNode.`getChildBefore(TreeNode aChild)`	Returns the child in this node's child array that immediately precedes `aChild`, which must be a child of this node.
`int`	DefaultMutableTreeNode.`getIndex(TreeNode aChild)`	Returns the index of the specified child in this node's child array.
`int`	TreeNode.`getIndex(TreeNode node)`	Returns the index of `node` in the receivers children.
`protected TreeNode[]`	DefaultMutableTreeNode.`getPathToRoot(TreeNode aNode, int depth)`	Builds the parents of node up to and including the root node, where the original node is the last element in the returned array.
`TreeNode[]`	DefaultTreeModel.`getPathToRoot(TreeNode aNode)`	Builds the parents of node up to and including the root node, where the original node is the last element in the returned array.
`protected TreeNode[]`	DefaultTreeModel.`getPathToRoot(TreeNode aNode, int depth)`	Builds the parents of node up to and including the root node, where the original node is the last element in the returned array.
`boolean`	DefaultMutableTreeNode.`isNodeAncestor(TreeNode anotherNode)`	Returns true if `anotherNode` is an ancestor of this node -- if it is this node, this node's parent, or an ancestor of this node's parent.
`boolean`	DefaultMutableTreeNode.`isNodeChild(TreeNode aNode)`	Returns true if `aNode` is a child of this node.
`boolean`	DefaultMutableTreeNode.`isNodeSibling(TreeNode anotherNode)`	Returns true if `anotherNode` is a sibling of (has the same parent as) this node.
`void`	DefaultTreeModel.`nodeChanged(TreeNode node)`	Invoke this method after you've changed how node is to be represented in the tree.
`void`	DefaultTreeModel.`nodesChanged(TreeNode node, int[] childIndices)`	Invoke this method after you've changed how the children identified by childIndicies are to be represented in the tree.
`void`	DefaultTreeModel.`nodeStructureChanged(TreeNode node)`	Invoke this method if you've totally changed the children of node and its children's children...
`void`	DefaultTreeModel.`nodesWereInserted(TreeNode node, int[] childIndices)`	Invoke this method after you've inserted some TreeNodes into node.
`void`	DefaultTreeModel.`nodesWereRemoved(TreeNode node, int[] childIndices, Object[] removedChildren)`	Invoke this method after you've removed some TreeNodes from node.
`Enumeration<TreeNode>`	DefaultMutableTreeNode.`pathFromAncestorEnumeration(TreeNode ancestor)`	Creates and returns an enumeration that follows the path from `ancestor` to this node.
`void`	DefaultTreeModel.`reload(TreeNode node)`	Invoke this method if you've modified the `TreeNode`s upon which this model depends.
`void`	DefaultTreeModel.`setRoot(TreeNode root)`	Sets the root to `root`.

Constructors in javax.swing.tree with parameters of type TreeNode
Constructor	Description
`DefaultTreeModel(TreeNode root)`	Creates a tree in which any node can have children.
`DefaultTreeModel(TreeNode root, boolean asksAllowsChildren)`	Creates a tree specifying whether any node can have children, or whether only certain nodes can have children.

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