I would go with the following logic:

if no integer portion is provided, check if decimal is given along with atleast one fractinal portion of the decimal, also forces user to give atleast one...

Any idea how we can setup a progress bar or display speed by refreshing the jsp page to continuously show some of the variables probably read from a text or properties file showing the progress of a...

What are the answers for you questions?

while( *(outstr++) = *(instr++) );

that ; almost killed me... why do we need that