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JavaRanch » Java Forums » Certification » Programmer Certification (SCJP/OCPJP)
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IO

Gautam Sewani
Ranch Hand

Joined: Apr 19, 2002
Posts: 93
Please tell me what all IO classes should I learn for taking SCJP.
Thanks
Roy Ben Ami
Ranch Hand

Joined: Jan 13, 2002
Posts: 732
I would concentrate on the File class first.
then study all the streams classes: FileInputStream, ObjectInputStream DataInputStream BufferedInputStream (ocourse noth the output too).
then learn the Reader/writer ones:
FileReader, BufferedReader etc...
learn the difference between the reader/writer to input/output (the first deal with char and the second with bytes).
undersatnd the interface Serializable and what it is used for.
thats about it i think
 
I agree. Here's the link: http://aspose.com/file-tools
 
subject: IO
 
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