public class TreeNode
extends java.lang.Object
| Modifier and Type | Field and Description | 
|---|---|
java.util.List<TreeNode> | 
children
The children. 
 | 
protected java.lang.Object | 
data
The user node data. 
 | 
| Constructor and Description | 
|---|
TreeNode()
Create a new node. 
 | 
TreeNode(java.lang.Object data)
Create a new node. 
 | 
| Modifier and Type | Method and Description | 
|---|---|
void | 
addChild(TreeNode child)
Adds a child to the list of children for this node. 
 | 
java.util.List<TreeNode> | 
getChildren()
Return the children of node. 
 | 
java.lang.Object | 
getData()
Get the node data. 
 | 
int | 
getNumberOfChildren()
Returns the number of immediate children of this node. 
 | 
void | 
insertChildAt(int index,
             TreeNode child)
Inserts a node at the specified position in the child list. 
 | 
void | 
removeChildAt(int index)
Remove the Node element at index index of the List. 
 | 
void | 
setChildren(java.util.List<TreeNode> children)
Sets the children of a Node object. 
 | 
void | 
setData(java.lang.Object data)
Set the node data. 
 | 
java.lang.String | 
toString()
Get the string representation. 
 | 
protected java.lang.Object data
public java.util.List<TreeNode> children
public TreeNode()
public TreeNode(java.lang.Object data)
public java.util.List<TreeNode> getChildren()
public void setChildren(java.util.List<TreeNode> children)
children - The list to set.public int getNumberOfChildren()
public void addChild(TreeNode child)
child - a Nodepublic void insertChildAt(int index,
                          TreeNode child)
                   throws java.lang.IndexOutOfBoundsException
index - the position to insert at.child - the Node object to insert.java.lang.IndexOutOfBoundsException - if thrown.public void removeChildAt(int index)
                   throws java.lang.IndexOutOfBoundsException
index - the index of the element to delete.java.lang.IndexOutOfBoundsException - if thrown.public java.lang.Object getData()
public void setData(java.lang.Object data)
data - The node data.public java.lang.String toString()
toString in class java.lang.Object