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 ...

💡この記事の要約： Javaのstaticメソッドとインスタンスメソッドの使い分け方に関する理解を深めるための問題です。staticメソッドからインスタンス変数にアクセスできるかどうかを確認しましょう！ staticメソッドは、クラスに属するメソッドで ...

public class Test { static void func() { System.out.print("func() /"); } public static void main(String[] args) { Test.func(); Test t = new Test(); t.func ...

In this post, we will learn how to call a method in Java. This is a useful “chunk” of code that you can call from anywhere else in your program, thus preventing you from needing to write out the same ...

Community driven content discussing all aspects of software development from DevOps to design patterns. Instance main methods and unnamed classes, coming in Java 21, will forever change how developers ...

Variables are the bread and butter of coding. Without variables, apps would have no interactivity and no way of manipulating information. Therefore, learning about variables in Java should be among ...

In this tip, I'd like to show a simple technique that allows switching between multiple versions of the code at runtime. Often, when I'm testing a new solution, I'd like to run an old version and make ...