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Adding a child to a node after previously removing all children?
I remove node's chidren by calling removeAllChidren(). This seems to work fine. However, if I try to add a child after doing thing, all of the previously removed children come back? My code snippet is below:

//remove node's children
//add a Child
DefaultMutableTreeNode junk = new DefaultMutableTreeNode("junk");

How do I add a new child to a node but not have the removed children come back at the same time? Are these values stored in an array that i have to edit?

Tell the JTree model. If you are using DefaultTreeModel it has some handy methods for this such as nodesWereRemoved.
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