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Ruby Programming Vocab

Subject : it-skills

Instructions:

Answer 50 questions in 15 minutes.
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Match each statement with the correct term.
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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. used in an expression to manipulate objects
operators
Z
!=
$

2. assigns a key to a hash value
.chop
.gsub
=>
.each

3. a module of classes and or functions
.next
class
library
parameters

4. the ternary operator if?then:else
#{}
.pop
.next
if?then:else

5. runs a proc that has been stored to a variable
yield
parameters
<
call

6. string method that determines if a string starts with a defined string
integer
start_with?
|x|
.index

7. passes value into block of code and assigns it the label of "x"
class
.between?
|x|
object orientation

8. a special class that holds attributes and data but no methods.
struct
.include?()
parameters
.downcase

9. a way to describe patterns in text
regular expressions
.chop
$
flow control

10. comparison operator for "not equal to"
.include?()
.sub
!=
string

11. method to determine if an object is an even number
.match
.even?
S
=>

12. tells you all methods that an object may invoke.
.between?
@
constant
.methods

13. data passed to methods in parenthesis after a method's name.
W
.map
library
parameters

14. string method that determines if a string ends with a defined string
local variable
end_with?
integer
s

15. the remainder operator
object orientation
w
@
%

16. mixing expressions into strings
class
.next
interpolation
.gsub

17. variable that can be used only where it is defined within an application
local variable
d
regular expressions
string

18. (regular expression)anchor for the end of a string
.sub
Z
.match
break if

19. (regular expression)any nonletter or nondigit or nonunderscore.
.next
W
s
s

20. passes value into block of code and assigns it the label of "x"
.gsub
start_with?
|x|
#{}

21. a string method that makes string all caps.
.upcase
code blocks
.chop
.include?()

22. comparison operator for "equal to"
constant
kernel
==
integer

23. a string method that changes last character to next alphabetical character
interpolation
regular expressions
.next
class

24. tells ruby a value to pass while iterating a block of code
yield
if?then:else
iterator
%q

25. (regular expression)any letter or digit or underscore
<=>
constant
parameters
w

26. a definition of a concept in an object oriented language.
variable
arguments
class
%

27. a collection of objects or values with associated keys
class
local variable
hash
%w{}

28. 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.
!
<=
code blocks
||

29. tells you all methods that an object may invoke.
regular expressions
.methods
!=
.select

30. a collection of objects with a defined order
local variable
.scan()
array
^

31. (regular expression)any letter or digit or underscore
w
.select
S
^

32. a variable that lists the directories where Ruby will look for libraries
$:.
>=
.split
method

33. a string method that substituition. Requires 2 arguments.
.sub
$
start_with?
.index

34. a string method that uncapitalizes first character
.split
constant
.downcase
.even?

35. (regular expression)any nondigit
D
.include?()
#{}
.chop

36. an array method that returns TRUE or FALSE if the array contains specified item
call
object orientation
W
.include?()

37. (regular expression)anchor for the start of a string
.gsub
A
d
||

38. pushes a new item onto the end of an array.
.sub
#{}
D
<<

39. method that tells an argument's place value within an array
d
.index
class
.gsub

40. (regular expression)anchor for the end of a string
S
Z
.pop
not and or

41. a regular method that is the anchor for the beggining of a line
.map
^
class
&&

42. array method that removes last item from an array
.pop
.index
@@
.each

43. the process of deciding which sections of code to execute based on conditions
=>
.pop
flow control
%arg

44. a string method that substitutes ALL occurrences of a string with another.
.methods
.gsub
#{}
call

45. array method that removes last item from an array
^
.pop
&&
>=

46. a string method that substitutes ALL occurrences of a string with another.
^
.swapcase
constant
.gsub

47. a set of code within a class or object
method
.scan()
hash
interpolation

48. defines array of multiple elements seperated by a space
.select
<=
integer
%w{}

49. array method that transforms the contents of an array according to a specified set of rules
.map
object orientation
w
.capitalize

50. comaprison operator that will read 0 if = or 1 if higher or -1 if lower.
.even?
flow control
<=>
.capitalize

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Ruby Programming Vocab

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