值得注意的是，JDK已内置JRE，因此若已安装JDK，便无需单独安装JRE。 1、 JDK，即Java开发工具包，是进行Java程序开发的基础套件，堪称Java技术的核心 ...

There are three simple ways to set JAVA_HOME in Windows. This tutorial shows you how to do it manually, from the command line and through the installer.

学习Java前需理清JDK、JRE与JVM三者之间的关联与区别。1、 JDK包含JRE，JRE包含JVM，层层依赖。2、 Java开发工具包，简称JDK，是Java开发的核心组件，内置 ...

The Java Runtime Environment (JRE), also known as Java Runtime, is the part of the Java Development Kit (JDK) that contains and orchestrates the set of tools and minimum requirements for executing a ...

Right-click on the project root and select “Properties” Select “Libraries” on the left side and make sure “JDK 1.7” is selected at the Java Platform option.

The next LTS release will be Java 21 in 2023. With JDK 17, Oracle will allow free use of Oracle JDK binaries in production for three years, one year past the next LTS.