When I create a java package inside the src folder in the java project I am working on, without using any package, everything works just fine, just when I create that package folder and move all my ...

The Javadoc documentation for the Package class states: Package objects contain version information about the implementation and specification of a Java package. This versioning information is ...

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 ...

一般的なコンパイラ言語（Cとか）だと、環境毎にコンパイルし直さないと動作しない。 Javaは生成したバイトコードがあれば、（実行環境があるなら）どこでも動く。 Javaの種類 Java SE (Standard Edition): 基本的なアプリケーション作成用 ＊授業で触るのはこっち。