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@Code-Hex
Created August 18, 2014 04:30
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rubyの練習。その1
print "hello\n";
sun = String.new "String.new\n";
print sun;
for num in 1..3
print num,"\n";
end
print "end\n";
print %Q{"ダブルクウォーテーションの場合は%Q"},"\n";
print %q{'シングルの場合は%q'},"\nでエスケープ\n";
str1="Welcome"
space=" "
str2="vacation\n" # 改行すれば ; はいらない
print str1+space+str2
very="very "
good="good"
n="\n" # 改行
print very * 3 + good + n * 2
print "数値のクラスを知る。\n"
print %Q{"文字列"のクラスは },"文字列".class,n
print <<"EOF"
じゃあ数値はどうなるか?
例 10 とか 3.14
これらはC言語だと int や float で型だったね
じゃあ class はどうなってるんだろう?
EOF
print n
print "10 ",10.class,"\n"
print "3.14 ",3.14.class,"\n"*3
truefalse = [true, false, nil]
# for でも同じようにかける
truefalse.each{|var|
puts var.class
}
print n*2
result = ["これで","forと","eachが","分かったんじゃないかな?"]
for array in result
print array
end
print n*2
result2 = ["forって","書き方","いっぱい","あるんだね"]
result2.each do |may|
print may
end
print n*2
print result.length,n # 配列の個数
print result2.size,n #lengthと同じ
print n*2
name = "山田"
print name,n
print name.size,"文字",n*2
name << " 太郎" #文字列の追加
print name,n
print name.size,"文字",n
@Code-Hex
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Perlを極めるためのruby

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