How to read pdf files using java.io package classes

Dear All,
I have a certain requirement that i should read and write PDF files at runtime. With normal java file IO reading is not working. Can any one suggest me how to proceed probably with sample code block
Thanks in advance.

hi I also have the pbm. to read pdf file using JAVA
can any body help meWhy is it so difficult to read the thread you posted in? They say: java.io is pointless, use iText. So why don't you?
or also I want to read a binary encoded data into
ascii,
can anybody give me a hint how to do it.Depends on what you mean with "binary encoding". ASCII's binary encoding, too, basically.

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