Many Java applications started from the command line take arguments to control their behavior. These arguments are available in the string array argument passed into the application’s static main() ...

第7回は、Javaで書いたHello Worldです。Javaのプログラムは、JavaアプリケーションとJavaアプレットに分けて考えることができます。JavaアプレットはWebブラウザ上で実行されるプログラムですが、JavaアプリケーションはOS上からコマンドとして起動される ...

The command-line interface (CLI) is the inner world of software development. From the shell, we have direct access to all the operating system’s capabilities, and with that comes the power to compose ...

Unlock the full InfoQ experience by logging in! Stay updated with your favorite authors and topics, engage with content, and download exclusive resources. Vivek Yadav, an engineering manager from ...

Kotlinは、ロシアのJetBrains社の研究所で開発され、2011年7月に公開されました。JetBrains社といえば、Javaの統合開発環境IntelliJ IDEAの開発元として有名です(なお、同社は、チェコのプラハに本社がありますが、ロシアやドイツ、米国に研究開発拠点を持ってい ...

Community driven content discussing all aspects of software development from DevOps to design patterns. When you install Java, the JDK comes with a number of helpful utilities packed within the ...

For Java-based programs such as Maven, Jenkins, Gradle or Tomcat to run, they need to know that Java's JDK is installed. That's the purpose of the JAVA_HOME environment variable. It tells programs ...

JAR files are like EXE files, except that they need a Java framework to run. Imagine them as EXE files on Windows, which you can double-click to launch the program. When you run an EXE file, it uses ...