How to Sort an Array in Java

JavaのVectorの使い方！ArrayListとの違いやVectorの注意点も解説 | ポテパンスタイル

Javaで昇順に並べるには？配列の並べ替えはArray.sort [Javaプログラミング] All About

Useful Array Methods

Daniel on Instagram: "ArrayLists stop being confusing the moment you realize they’re not “magic arrays” — they’re a different tool with different rules. This week you learned how lists grow, how .add() and .remove() actually shift data, and why most ArrayList bugs come from ignoring what’s happening under the hood. Once you understand the movement, ArrayLists become predictable — and predictable code is how you stop losing points on FRQs. Follow for more Java clarity, and DM for AP Computer Scie