Java 3D Desktop Environment旨在使用Java 3D来创建一个3D桌面环境。功能包括：分布式的应用程序

				package org.j3de.ui;
				
				import java.rmi.Remote;
				
				/** UIElement is the basic (remote) interface that all UIElements have to implement.
				  */
				public interface UIElement extends Remote {  
				}