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Ruby Programming Vocab

Subject : it-skills

Instructions:

Answer 50 questions in 15 minutes.
If you are not ready to take this test, you can study here.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.

1. symbol for a global variable which can be called from anywhere in an application.
.gsub
$
not and or
hash

2. the remainder operator
.scan()
%
class
.gsub

3. string method that determines if a string starts with a defined string
@
.even?
start_with?
D

4. a collection of objects or values with associated keys
.scan()
call
!
hash

5. tells you all methods that an object may invoke.
Z
.map
range
.methods

6. a section of code with no discrete name which is not a method by itself that can be called upon and can receive an argument.
flow control
code blocks
.methods
.pop

7. (regular expression)any space or tab or newline or whitespace
.between?
s
#{}
parameters

8. operator for "Boolean not"
!
.scan()
^
.each

9. sets a text delimiter
%arg
operators
flow control
.even?

10. data passed to methods in parenthesis after a method's name.
parameters
.methods
.between?
local variable

11. passes value into block of code and assigns it the label of "x"
.pop
not and or
!
|x|

12. a definition of a concept in an object oriented language.
<=
s
class
.pop

13. defines an instance variable which only exists within the object it was created in.
.sub
ARGV
@
.even?

14. method that tells an argument's place value within an array
=>
array
W
.index

15. conditionally stops a loop
integer
break if
not and or
ARGV

16. array method that removes last item from an array
.downcase
%w{}
.pop
^

17. a string method that scans object for arguments - uses regular expressions.
iterator
.between?
.scan()
.pop

18. (regular expression)anchor for the end of a string
Z
.swapcase
?x
kernel

19. defines array of multiple elements seperated by a space
<
%w{}
>=
hash

20. a collection of objects with a defined order
|x|
#{}
array
.index

21. array method that selects particular items from an array
.select
|x|
Z
^

22. a regular method that is the anchor for the beggining of a line
constant
<=>
^
class

23. methods that step through lists element by element (like each or upto or times etc)
iterator
S
.downcase
.scan()

24. a string method that reverses capitalization
.swapcase
inheritance
!=
.index

25. a string method that capitalizes first character
>=
.capitalize
D
.downcase

26. array method that removes last item from an array
ARGV
.downcase
.pop
w

27. a whole number
W
integer
Z
regular expressions

28. variable that can be used only where it is defined within an application
local variable
class
!=
D

29. a string method that capitalizes first character
?x
?x
.capitalize
.downcase

30. interpolation operator
#{}
@
kernel
.even?

31. pushes a new item onto the end of an array.
w
yield
integer
<<

32. (regular expression)any letter or digit or underscore
.downcase
!=
w
.even?

33. comparison operator for "equal to"
.chop
==
%arg
.map

34. a string method that makes string all caps.
#{}
constant
.upcase
local variable

35. comparison operator for "not equal to"
.gsub
%w{}
!=
yield

36. a string method that substitutes ALL occurrences of a string with another.
.gsub
A
.between?
kernel

37. a set of code within a class or object
range
?x
method
.sort

38. (regular expression)any digit
d
.even?
.each
$:.

39. returns ASCII value of x
start_with?
?x
W
yield

40. array assignment oprator
^
variable
<<
string

41. Boolean not and or (lower preference)
S
.methods
not and or
W

42. an array method that
%arg
.match
.each
struct

43. method that tells an argument's place value within an array
.index
operators
if?then:else
arguments

44. the representation of data from a start to end point
!
range
==
ARGV

45. a string method (with /REGEX/ and starting_point separated by comma) that outputs the first string matching the defined regular expression from an optionally defined starting point
.match
operators
#{}
.map

46. comaprison operator that will read 0 if = or 1 if higher or -1 if lower.
Z
<=>
hash
variable

47. comparison operator for "not equal to"
.pop
!=
%w{}
&&

48. returns ASCII value of x
%
range
?x
!

49. a string method that splits a string into an array
$
^
.next
.split

50. a variable that lists the directories where Ruby will look for libraries
D
$:.
|x|
#{}