Answer:
A) The developer must supply a comparator object belonging to a class that implements the Comparator interface
Explanation:
The comparator interface handles the ordering (sorting) of user-defined classes, it does this by comparing two different objects from different classes. The comparator interface works by accepting a method which extracts a key for sorting of a type say N, and returns a comparator that compares to N, it therefore compares the object (current one) with the specified one
Answer: The response that is expected when it broadcast an ARP request is one or zero.
Explanation: ARP request means Address Resolution Protocol which is a protocol responsible for the mapping of the IP(Internet protocol)address of a system to the MAC(Media Access Control) layer. Only one response is received only if the IP address is present in the ARP otherwise if the IP address does not matches then no response is returned.Thus only one or zero response can be received when a ARP request is process.
