The RegularExpressionValidator verifies that an entry matches a specific pattern.

Which of the following is NOT true about packages?

a) a package can contain other packages b) a package’s name must be the same as the directory that contains all of the classes in the package c) a Java source file that is part of a named package must contain a statement at the top of the file that contains the keyword package and the name of the package d) all classes in a package are available to clients of the package

For more than four variables an alternative approach is a tabular technique referred to as the _________ method.

A. DeMorgan B. Quine-McCluskey C. Karnaugh map D. Boole-Shannon