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 TreeNode
s 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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