/**
* Overridden to make clone public. Returns a shallow copy of this node; the new node has no
* parent or children and has a reference to the same user object, if any.
*
* @return a copy of this node
*/
public Object clone() {
DefaultMutableTreeNode newNode;
try {
newNode = (DefaultMutableTreeNode) super.clone();
// shallow copy -- the new node has no parent or children
newNode.children = null;
newNode.parent = null;
} catch (CloneNotSupportedException e) {
// Won't happen because we implement Cloneable
throw new Error(e.toString());
}
return newNode;
}
