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java Programming Glossary: icondataHow to add checkbox to JTree node to manage multiselection? http://stackoverflow.com/questions/12870908/how-to-add-checkbox-to-jtree-node-to-manage-multiselection DefaultMutableTreeNode top new DefaultMutableTreeNode new IconData ICON_COMPUTER null Computer DefaultMutableTreeNode node File.. k 0 k roots.length k node new DefaultMutableTreeNode new IconData ICON_DISK null new FileNode roots k top.add node node.add new.. null Object obj node.getUserObject if obj instanceof IconData obj IconData obj .getObject if obj instanceof FileNode return..
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