This week's book giveaway is in the OCAJP 8 forum. We're giving away four copies of OCA Java SE 8 Programmer I Study Guide and have Edward Finegan & Robert Liguori on-line! See this thread for details.
<input type="file"> means that you are submitting a file, and not a single input field containing a String
from the API:
request.getInputStream() - Retrieves the body of the request as binary data using a ServletInputStream request.getReader() - Retrieves the body of the request as character data using a BufferedReader. The reader translates the character data according to the character encoding used on the body