It is good practice to delete any action query from a database that will not serve a future purpose after it is used

Which of the Java strings represent the regular expression ,\s*?

a. "\,\s\*" b. ",\\s*" c. ",\\s\\*" d. ".\\s\*"

A programming style that uses a signal and response approach to programming is called:

(a) Object Oriented Programming (b) Structured Programming (c) Event-driven Programming (d) Bottom-up Programming