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.
What i have read,according to that,"when an abstract class implements an interface,it need no to give defination to methods of interface,it is the job of the first concrete subclass."
Here is what i am doing,
error-It says abs is not abstract ,doesn't override abstract method,what's the issue?,help.