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Ruby学習#23 For Loops

Posted at 2020-12-26

friends =["Kevin","Karen","Oscar","Angela","Andy"]

for friend in friends
puts friend
end

Kevin
Karen
Oscar
Angela
Andy

for element in friends
puts element
end

Kevin
Karen
Oscar
Angela
Andy

friends.each do |friend|
puts friend
end

Kevin
Karen
Oscar
Angela
Andy

for index in 0..5
puts index
end

0
1
2
3
4
5

6.times do |index|
puts index
end

0
1
2
3
4
5