Java Module java.desktop Package javax.swing.tree Interface MutableTreeNode（JDK11）

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All Superinterfaces:

TreeNode

All Known Implementing Classes:

DefaultMutableTreeNode, JTree.DynamicUtilTreeNode
```
public interface MutableTreeNode
extends TreeNode
```
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.

See Also:

DefaultMutableTreeNode, JTree

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`void`	`insert(MutableTreeNode child, int index)`	Adds `child` to the receiver at `index`.
`void`	`remove(int index)`	Removes the child at `index` from the receiver.
`void`	`remove(MutableTreeNode node)`	Removes `node` from the receiver.
`void`	`removeFromParent()`	Removes the receiver from its parent.
`void`	`setParent(MutableTreeNode newParent)`	Sets the parent of the receiver to `newParent`.
`void`	`setUserObject(Object object)`	Resets the user object of the receiver to `object`.

Methods declared in interface javax.swing.tree.TreeNode
children, getAllowsChildren, getChildAt, getChildCount, getIndex, getParent, isLeaf

- Method Detail
  - insert
```
void insert(MutableTreeNode child,
            int index)
```
    Adds child to the receiver at index. child will be messaged with setParent.
    
    Parameters:
    
    child - node to be added
    
    index - index of the receiver
  - remove
```
void remove(int index)
```
    Removes the child at index from the receiver.
    
    Parameters:
    
    index - index of child to be removed
  - remove
```
void remove(MutableTreeNode node)
```
    Removes node from the receiver. setParent will be messaged on node.
    
    Parameters:
    
    node - node to be removed from the receiver
  - setUserObject
```
void setUserObject(Object object)
```
    Resets the user object of the receiver to object.
    
    Parameters:
    
    object - object to be set as a receiver
  - removeFromParent
```
void removeFromParent()
```
    Removes the receiver from its parent.
  - setParent
```
void setParent(MutableTreeNode newParent)
```
    Sets the parent of the receiver to newParent.
    
    Parameters:
    
    newParent - node to be set as parent of the receiver

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