Create a simple tree structure with default system

/* The simplest jtree example */

Class Mytree extends jframe{

Public Mytree (String s) {

Super (s);

Container con = new Getcontentpane ();

Defaultmutabletreenode root = new Defaultmutabletreenode ("d:\\")

Defaultmutabletreenode T1 = new Defultmutabletreenode ("Bfzl");

Defaultmutabletreenode t2 = new Defaultmutabletreenode ("Javaxx");

Defaultmutabletreenode t1_1 = new Defaultmutabletreenode ("Swjhtz");

Defaultmutabletreenode t1_2 = new Defaultmutabletreenode ("Wlyj");

Defaultmutabletreenode t2_1 = new Defaultmutabletreenode ("SPJC");

Defaultmutabletreenode t2_2 = new Defaultmutabletreenode ("Java 3D");

JTree JTree = new JTree (root);

Root.add (t1); Root.add (T2);

T1.add (t1_1); T1.add (t1_2);

T2.add (t2_1); T2.add (t2_2);

JScrollPane ScrollPane = new JScrollPane (jtree);

Con.add (ScrollPane);

SetSize (200,300);

Setloction (500,100);

SetVisible (TRUE);

Vildate ();

Addwindowlistener (New Windowadapter () {

public void windowclosing (WindowEvent e) {

System.exit (0);

}

});

}

}

public class example{

public static void Main (string[] args) {

New Mytree ("Using TreeNode to construct the tree");

}

}

Create a simple tree structure with default system