Ruby Learning # 13 Arrays

Ruby arrays can be mixed with variables, numbers, etc. friends = Array[1,"karen","Oscar"]

friends = Array["Kevin","karen","Oscar"] puts friends[0]

"Kevin" puts friends[-1]

"Oscar" puts friends[-2]

"Karen" puts friends[0,2]

"Kevin" "Karen" puts friends[0,3]

"Kevin" "Karen" "Oscar"

friends = Array["Kevin","karen","Oscar"] friends[0] = "Dwight" puts friends[0]

Dwight

friends = Array.new

friends[0] 0 "Michael" friends[5] = "Holly"

puts friends

"Michael"

"Holly"

friends = Array["Kevin", "karen", "Oscar"] puts friends.length()

3

puts friends.include? "Karen"

True puts friends.include? "Karens"

False puts friends.reverse()

Oscar Karen Kevin friends = Array["Kevin", "karen", "Oscar","Andy"]

puts friends.sort()

Andy Karen Kevin Oscar

friends = Array["Kevin", 1, "Oscar","Andy"]

puts friends.sort()

error (Cannot sort because the type is different)

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