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Have you found where to put the code to send the eof message and tried adding it?

When and where will the code know it's at the EOF condition?
What should it do then?

How are you going to do that?

Are there any printouts from the program that shows what it is doing now? If not, there should be some there for debug tracing the logic and how data is passed from one to the other.

You should compile more frequently when typing in code so that there are not so many errors all at once.

For the error: cannot find symbol
that means the compiler can not find a definition for...

If there are error messages, please copy the full text and paste it here.
Otherwise, please explain what the error is.

Please edit your post and wrap your code with


<YOUR CODE HERE>

to...