What Java class should you use if you want to format a number such as 279.55 to display in currency format such as $279.55?

A systems administrator is installing a new software package on a server. The software has many dependencies. Which of the following would be the BEST solution for the systems administrator to take to ensure there is no downtime with the installation of this software package?

A. Deploy the software to production B. Deploy the software in a sandbox C. Uninstall the application software D. Uninstall the software updates

MC The expression a *= 4 is correctly represented by:

a) a = 4 * 4. b) a = 4a. c) a = a * 4. d) None of the above.