Testing Solution - Intro to Computer ScienceYouTube↗  IA↗(long shot)
Education  16.2K views 3 likes 1 dislikes   23 Feb 2015
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The answer is that find will return negative one. When
正解はfindが－1を返すもの
the target string is not found in the search string.
つまりターゲット文字列がない場合です
Of the four examples here there are two where that's the case. For both of these, it is found, so
この4つのうち該当するものは2つあります
in the first example we're looking for t within the
最初の例では文字列test内のtを探します
string test. It occurs in two places. But it'll find the first one, so the result of this find will
2つ出現しますが1つ目の時点で findの結果はゼロになります
be zero. For this one we're looking for the string st.
この場合は文字列stを探します
Strings are the same whether they have single or double quotes. It doesn't matter what we use, as long as we're
シングルでもダブルでも 最初と最後にクォーテーションが
consistent with the first and the end quote. And in
統一してついていれば問題ありません
this case we find the string st at position two, so that would return two. For this one we used an upper case t, a lower case here. The find has to
2の位置で文字列stを見つけたので2を返します この例の場合ここは大文字Tでここは小文字です
match exactly, it has to be the same character and case
findは完全に一致する必要があり
matters. So this would return negative one, and would be correct
大文字と小文字は区別されるので－1を返します
that this is one of the examples that returns
これが正解の1つです
negative one. And for the final one, we're searching for the string test, within the string west. They
最後の例では文字列testを文字列west内で検索します
don't match exactly; so this would also return negative one.
一致しないのでこれも－1を返します
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