arrayAndString\DrawNumber2.java ..............\DriveInfo.java ..............\GB2312_1.java ..............\GenAnswer.java ..............\GetUnicode.java ..............\HotelGuest.java ..............\Root.java ..............\ShengXiao.java ..............\StringBufferDemo.java ..............\StringOP.java ..............\StringTokenDemo.java ..............\StringVsBuffer.java arrayAndString