IntelliJ IDEA（简称 IDEA），是 Java 语言开发的集成环境，IDEA 在业界被公认为最好的 Java 开发工具之一，尤其在智能代码助手、代码自动提示、重构、J2EE 支持、各类版本工具（Git、SVN、GitHub 等）、JUnit、CVS 整合、代码分析和创新的 GUI 设计等方面的功能都值得称道。

The build uses JDK 21 but emits JVM 17 bytecode to avoid accidental use of newer JDK APIs and keep plugin bytecode conservative for the IntelliJ Platform range.

Debugging is a very important part of writing a good algorithm or computer program and it works best when we check for bugs as we go along, rather than at the end. Let's think about an everyday ...