【文件属性】：
文件名称：JavaIO.ppt
文件大小：663KB
文件格式：PPT
更新时间：2017-11-23 20:16:24
JavaIO
1,methods for accessing file, text data, object serialization and internationalization
Sequential and Random access
2,Reading and writing of primitive values
3,Applications and applets are provided with three streams automatically