The ________ keyword is used to create an abstract class.

What is an advantage of applying Java 8 lambda expressions to a Collection class?

(a) The potential for syntax errors is reduced (b) The JVM can parallelize operations applied to elements of the collection (c) The collection can be displayed graphically (d) Lambda expressions help map the collection to a database

A set of named constants that start with the value 0 for the first constant and increment by 1 for each subsequent constant can be declared as a(n) ________.

a. class b. enum c. enumeration d. None of the above.