Author used perdure data technology in saving scene , concretely , saved all objects in relate to scene into object file defined by user by object serial file technology provided by java language 对于场景的存储，使用了数据持久化技术。具体应用了java语言提供的对象序列化文件技术，将表示场景的相关对象依次存入到用户自定义的对象文件中。
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