Community driven content discussing all aspects of software development from DevOps to design patterns. One of the first things a developer will be told after they join a new software project is to ...

Which Java IDE is best? Compare IntelliJ IDEA , Eclipse, and NetBeans for features, usability, and compatibility with your favorite tools and frameworks. Every Java programmer needs a programming ...

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。