import javax.swing.JFrame; import javax.swing.JTree; import javax.swing.tree.*; /** * @version 1.0 2002-06-16 * @author Takashi KOBAYASHI */ public class memo09ex1 { public static void main( String[] args ) { MutableTreeNode column = new DefaultMutableTreeNode( "Column" ); column.insert( new DefaultMutableTreeNode( "JavaMemo" ), 0 ); column.insert( new DefaultMutableTreeNode( "Diary" ), 1 ); DefaultMutableTreeNode root = new DefaultMutableTreeNode( "SwingSwinging.com" ); root.add( column ); root.add( new DefaultMutableTreeNode( "Desktop Java" ) ); JTree tree = new JTree( root ); JFrame frame = new JFrame( "Create Tree" ); frame.getContentPane().add( tree ); frame.setDefaultCloseOperation( JFrame.EXIT_ON_CLOSE ); frame.pack(); frame.setVisible( true ); } }