Java 3D 是 Sun 公司开发的用于客户端 3D 图形应用编程的一套接口(API)，无论是游戏开发、科学计算，还是MCAD、生物技术，还是虚拟现实（Virtual Reality）、仿真技术，Java 3D都是很优秀的选择。
Java 3D is a client−side Java application programming interface (API) developed at Sun Microsystems for rendering interactive 3D graphics using Java. Using Java 3D you will be able to develop richly interactive 3D applications, ranging from immersive games to scientific visualization applications.