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 ...

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 ...

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.

I am trying to learn Java using the JDK I downloaded from the Sun Site, I got a book and am following tutorials. I use a Windows XP SP1 box at home and user with admin privileges.I begun writing ...

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.