import java.util.Vector;
import javax.swing.JFrame;
import javax.swing.JScrollPane;
import javax.swing.JTree;
import javax.swing.text.Position;
import javax.swing.tree.DefaultTreeModel;
import javax.swing.tree.MutableTreeNode;
import javax.swing.tree.TreePath;
public class TreeNodeRemove{
public static void main(String[] argv) {
Vector v = new Vector();
v.add("a");
v.add("b");
v.add("c");
JTree tree = new JTree(v);
DefaultTreeModel model = (DefaultTreeModel) tree.getModel();
int startRow = 0;
String prefix = "b";
TreePath path = tree.getNextMatch(prefix, startRow, Position.Bias.Forward);
MutableTreeNode node = (MutableTreeNode) path.getLastPathComponent();
model.removeNodeFromParent(node);
JFrame frame = new JFrame();
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.add(new JScrollPane(tree));
frame.setSize(380, 320);
frame.setLocationRelativeTo(null);
frame.setVisible(true);
}
}