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  Tutorial: JTree Add Nodes

In this section, you will learn how to add or insert a new node to the JTree component. The tree has root node and child of rood node. Sometimes, you need to insert the node, you must be insert your node to the JTree component.

Tutorial Details:

The following program helps you in adding or inserting a new node to the JTree component. After running this program appears a graphical layout on the screen that has tree with root node and child of root node and one command button (Add Tree). When you will click this button appears an input box that takes a node name that have to be inserted in JTree. If the input box is empty or blank and click the "OK" button, After clicking the "OK" button no any node are added in tree and it will display a message "Node is not added in the tree" in message box. Again, if you will click the "Add Tree" command button, it provides an input box that takes node name and click the "OK" command button. After clicking the "OK" button the given node are added in tree and it will display a message "Node are added in the tree" in the message box. Finally, you will get added or inserted the given node in the JTree.


 

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