The "^" and "$" characters represent:
a. back references
b. the beginning and end of a string
c. the beginning and end of a regular expression
d. none of the above
b. the beginning and end of a string
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Which of these statements best defines scope?
a. Scope refers to the classes that have access to a variable. b. Scope determines whether a variable’s value can be altered. c. Scope is the portion of a program that can refer to an entity by its simple name. d. Scope allows the programmer to use a class without using its fully qualified name.
37. __________ was the first commercially successful graphical user interface.
a. Windows b. The Apple Macintosh c. MS-DOS d. UNIX
When engaging in e-commerce, consumers typically experience the sales life cycle, the first stage of which is _____ and identification.
Fill in the blank(s) with the appropriate word(s).
An identifier’s __________ is where the identifier can be referenced in a program.
a) locality b) vicinity c) neighborhood d) scope