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Rubyの入力と出力メソッド

Last updated at Posted at 2020-11-22

ruby 2.7.0についての記事です。

Rubyの入力メソッドのまとめ

1.gets
getsメソッドを使って入力した値は全て文字列になる
公式ドキュメント(IOクラスgets)

【関連するメソッド】

num = gets.split # "10 100"と入力します
print num #=> ["10", "100"]
print num[0] #=> 10
print num[1] #=> 100

answer = num[0].to_i * num[1].to_i # 整数に変換します
print answer #=> 1000

Rubyの出力メソッドのまとめ

num = gets.split # "10 100"と入力します
puts num #=>
10
100
puts num[0] #=> 10
puts num[1] #=> 100

answer = num[0].to_i * num[1].to_i # 整数に変換します
puts answer #=> 1000

puts "hello"
puts "world" #=>
hello
world

print "hello"
print "world"
#=> helloworld

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