本程序是在JBuild 9.0中开发的，主程序是 DiskManager.java。实现一个树形控件，可以添加和删除节点。-this procedure was developed JBuild 9.0, is the main program DiskManager.java. Achieving a tree controls, can add and delete nodes.

java编写的树形控件 -prepared by the java java tree controls prepared by the tree controls