150記事のステップ学習 1記事＝1テーマ。例題・コードサンプル付きで、無理なく理解を進められる。 試験対策＋実務応用 単なる暗記ではなく、実務で役立つJavaスキルを同時に習得可能。 初学者でも安心 白本の難解な内容をかみ砕き、段階的にステップ ...

Given a string, s, and two indices, start and end, print a substring consisting of all characters in the inclusive range from start to end-1. You'll find the String class' substring method helpful in ...

Explanation: We can swap the first 'b' with the last 'a', or the last 'b' with the first 'a'. Then, the longest repeated character substring is "aaa", which its length is 3. Explanation: Swap 'b' with ...