/OpenJDK 8 GUI

Interface TreeNode

All Known Subinterfaces:
All Known Implementing Classes:
AbstractDocument.AbstractElement, AbstractDocument.BranchElement, AbstractDocument.LeafElement, DefaultMutableTreeNode, DefaultStyledDocument.SectionElement, HTMLDocument.BlockElement, HTMLDocument.RunElement, JTree.DynamicUtilTreeNode
public interface TreeNode

Defines the requirements for an object that can be used as a tree node in a JTree.

Implementations of TreeNode that override equals will typically need to override hashCode as well. Refer to TreeModel for more information. For further information and examples of using tree nodes, see How to Use Tree Nodes in The Java Tutorial.



TreeNode getChildAt(int childIndex)

Returns the child TreeNode at index childIndex.


int getChildCount()

Returns the number of children TreeNodes the receiver contains.


TreeNode getParent()

Returns the parent TreeNode of the receiver.


int getIndex(TreeNode node)

Returns the index of node in the receivers children. If the receiver does not contain node, -1 will be returned.


boolean getAllowsChildren()

Returns true if the receiver allows children.


boolean isLeaf()

Returns true if the receiver is a leaf.


Enumeration children()

Returns the children of the receiver as an Enumeration.

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