A, JDK download
Two ways, the first is to download from the official website; the second is ism, small take you directly to the network disk address. However, as java novice, it is best to learn Quguan network download.
Official website to download the files is the most secure, reliable third party is never possible to download the installation package are missing or simply grow some of what God Trojan virus. Moreover, it is possible someday to someone else installed jdk jdk or upgrading their own, can not find the network disk address skill point they have to go back up.
Baidu (or other search engine) search "jdk download", the first one is just 1.8 download link.
1. Click to download page
Page address: https://www.oracle.com/technetwork/java/javase/downloads/jdk8-downloads-2133151.html
The current official just did a bug on 1.8 upgrade, it is strongly recommended to use a small version of the 191 or 192, on the choice of 8u191 here.
2. First select to accept the agreement above, then choose their own operating system package
Here we select the last windows64 bit installation package, click on the red box on the right of jdk-8u191-windows-x64.exe you can be downloaded.
Two, jdk installation
Now jdk installation much easier than online article variety, we get it to the hands.
1. Double-click the downloaded exe file to start the installation. As shown below, click Next.
2. Select jdk installation directory, it is recommended even if you do not use the default path, but also on the C drive, unless your C drive space emergency.
3, just click Next, and alarm the following figure appears.
Jdk can only say that the recent major version update fast, January 19 official stop maintenance. This is not a big deal, 1.7 would have no official management, and now still alive.
Direct point of "OK" to continue.
4. that the installation is over? And pop-up windows, but also to select the folder, the installation program is not a problem, look carefully, not installed jdk, is jre.
This part of the "version of choice" article also said, jre is the package for runtime, is part of the jdk.
If there are no special needs, do not need to change the installation directory, click "Next"
5. Finally, popups telling has been successfully installed.
6. However, if you read the other articles of installation, it must be mentioned configuration, "Environment Variables."
在上图中选取PATH变量后，单机编辑按钮，打开编辑环境变量对话框，然后单击新建按钮，在变量列表中输入JDK的bin目录的路径（C:\Program Files\Java\jdk-8\bin）然后单击上移按钮，将设定值放置在Path的最上面，接着一串确定按钮完成操作。
