This week's book giveaway is in the OCAJP forum. We're giving away four copies of OCA Java SE 8 Programmer I Study Guide 1Z0-808 and have Jeanne Boyarsky & Scott Selikoff on-line! See this thread for details.
which of these can act as both input and as an output stream,based on the classes provided by the java.io.package ? select all valid answers a) A file b) A network connection c) A pipe d) A string e) An array of chars answers are a,b,c,d,e can anybody explain the answers if possible,i dont know much on it.