クラスに属する変数で、インスタンス化（オブジェクトを生成）せずにアクセスできる変数です。すべてのインスタンスがその同じ変数を共有します。 簡単に言うと、静的変数はクラス全体で1つだけ存在する変数です。これを使うと、複数のオブジェクト ...

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 ...

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 ...

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 ...