The Callable interface (of package java.util.concurrent) declares a single method named call that allows a task to return a value.

Using a O(n3) algorithm, if we double the number of elements in the array, how many times longer will it take to process?

What will be an ideal response?

A(n) _____________________ is an object that defines an erroneous situation from which the program usually cannot recover.

a) error b) exception c) interface d) try block e) catch block