javax.swing.tree
Interface TreeNode
-
- All Known Subinterfaces:
- MutableTreeNode
- All Known Implementing Classes:
- AbstractDocument.AbstractElement, AbstractDocument.BranchElement, AbstractDocument.LeafElement, DefaultMutableTreeNode, DefaultStyledDocument.SectionElement, HTMLDocument.BlockElement, HTMLDocument.RunElement, JTree.DynamicUtilTreeNode
public interface TreeNodeDefines the requirements for an object that can be used as a tree node in a JTree.Implementations of
TreeNodethat overrideequalswill typically need to overridehashCodeas well. Refer toTreeModelfor more information. For further information and examples of using tree nodes, see How to Use Tree Nodes in The Java Tutorial.
-
-
Method Summary
All Methods Instance Methods Abstract Methods Modifier and Type Method and Description Enumerationchildren()Returns the children of the receiver as anEnumeration.booleangetAllowsChildren()Returns true if the receiver allows children.TreeNodegetChildAt(int childIndex)Returns the childTreeNodeat indexchildIndex.intgetChildCount()Returns the number of childrenTreeNodes the receiver contains.intgetIndex(TreeNode node)Returns the index ofnodein the receivers children.TreeNodegetParent()Returns the parentTreeNodeof the receiver.booleanisLeaf()Returns true if the receiver is a leaf.
-
-
-
Method Detail
getChildAt
TreeNode getChildAt(int childIndex)
Returns the childTreeNodeat indexchildIndex.
getChildCount
int getChildCount()
Returns the number of childrenTreeNodes the receiver contains.
getParent
TreeNode getParent()
Returns the parentTreeNodeof the receiver.
getIndex
int getIndex(TreeNode node)
Returns the index ofnodein the receivers children. If the receiver does not containnode, -1 will be returned.
getAllowsChildren
boolean getAllowsChildren()
Returns true if the receiver allows children.
isLeaf
boolean isLeaf()
Returns true if the receiver is a leaf.
children
Enumeration children()
Returns the children of the receiver as anEnumeration.
-
Submit a bug or feature
For further API reference and developer documentation, see Java SE Documentation. That documentation contains more detailed, developer-targeted descriptions, with conceptual overviews, definitions of terms, workarounds, and working code examples.
Copyright © 1993, 2022, Oracle and/or its affiliates. All rights reserved. Use is subject to license terms. Also see the documentation redistribution policy.
