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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 ...

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 ...

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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 ...

It's always a good idea to employ a few static code analysis tools as part of your software development routine. There are a number of great tools that perform static analysis of Java code, such as ...

One of the best ways to protect your software project from avoidable bugs is the use of Java static code analysis tools. These tools can help identify and fix problematic code before it reaches ...

Static initialization blocks are executed when the class is loaded, and you can initialize static variables in those blocks. It's time to test your knowledge of Static initialization blocks. You can ...