1、 右键点击Java项目，选择属性进行设置。 2、 打开属性窗口后，进入Java构建路径进行设置。 3、 进入libraries选项，双击Java系统库，此处显示的即为当前项目所使用的JDK版本信息。 4、 展开下拉菜单，选择所需JDK版本即可。

引言：Java世界的“基石工具包”——JDK为何不可或缺？ 对于每一位Java开发者而言，JDK（Java Development Kit，Java开发工具包）是开启编程之旅的第一把钥匙。无论是编写第一个“Hello World”程序，还是开发复杂的企业级应用，JDK都扮演着“开发环境提供者”的核心 ...

Java 领域迎来新一轮变革，JDK 25和 JDK 26的最新进展备受关注。作为 Java 开发者，了解这些更新对于提升开发效率、保障代码质量至关重要。本文将深入解读 JDK 25的核心特性，并对 JDK 26的未来发展进行展望。 JDK 25 的核心特性解析 根据甲骨文公司 Java 平台组首席 ...

Long-Term Support release, with features ranging from structured concurrency and compact object headers to ahead-of-time method profiling and JFR CPU-time profiling on Linux, is now generally ...

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SAN JOSE, Calif., July 22, 2025 /PRNewswire/ -- BellSoft, the creator of Liberica JDK, a progressive Java runtime for the most complete Java experience and a leading OpenJDK contributor, today ...

Here are the three easiest ways to fix Java’s “not recognized as an internal or external command” error: Install or reinstall Java and the JDK on your computer Add Java’s bin directory to the computer ...

Launching Minecraft or a Minecraft server may suddenly fail, displaying the error “A JNI error has occurred, please check your installation and try again,” before ...

Java Development Kit (JDK) 24 is now available as a production release. A short-term support release of standard Java, JDK 24 will receive only six months of Premier-level support from Oracle, ...