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The second while doesn't work , why?

I want to compare and test difference between readline and read.
 
Rancher
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ItDoesntWorkIsUseless.

The first loop exhausts the input - there's nothing left for the second loop to read.
 
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Comment for first while loop then you will know how second while loop execute.
 
abalfazl hossein
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Then the solution is that I must create new FileInputStream?
 
Pramod P Deore
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You may also create new BufferedReader to read from the top.
 
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