Use Boolean value cell renderer to display boolean and non-boolean values in Java

 /*from  ww  w.  j a  v a2s .  co  m*/

 
import java.awt.BorderLayout;

import javax.swing.DefaultCellEditor;
import javax.swing.JCheckBox;
import javax.swing.JFrame;
import javax.swing.JScrollPane;
import javax.swing.JTree;
import javax.swing.tree.TreeCellEditor;

public class Main {
  public static void main(String args[]) {
    JFrame frame = new JFrame();
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

    Object array[] = {Boolean.TRUE, Boolean.FALSE, "Hello"}; // Hello will map to false
    JTree tree = new JTree(array);
    tree.setEditable(true);
    tree.setRootVisible(true);
    
    JCheckBox checkBox = new JCheckBox();
    
    TreeCellEditor editor = new DefaultCellEditor(checkBox);
    tree.setCellEditor(editor);

    JScrollPane scrollPane = new JScrollPane(tree);
    frame.add(scrollPane, BorderLayout.CENTER);
    frame.setSize(300, 150);
    frame.setVisible(true);
  }
}