今日の1年生の Java の授業を見学したところ、今回は static キーワード がテーマでした。 市販の教材や多くの授業では、static の文法知識だけを扱うことが多いようですが、実際にはその使いどころや設計意図まで理解しないと本質には届きません。 やはり ...

staticイニシャライザとstatic変数について仮テストの問題で間違えまくったので勘違いと正解について軽くまとめようと思います。 勘違いしやすいポイントとしてはstatic変数は共有の変数であるため別のインスタンスで再代入をしてしまうとすべての ...

In a previous Java 101 tutorial, you learned how to better organize your code by declaring reference types (also known as classes and interfaces) as members of other reference types and blocks. I also ...

Nested classes are classes that are declared as members of other classes or scopes. Nesting classes is one way to better organize your code. For example, say you have a non-nested class (also known as ...

Ever wonder why Java's const keyword is unimplemented? More specifically, why do we mark global constants in Java with both the static and final keywords? Why are Java constants static and final? The ...

Abstract: A software birthmark means inherent characteristics that can be used to identify a program. In this paper, we propose a birthmark technique based on object traces of Java programs. Java is ...