JAVA (windows) Installation Guide
A Download:
https://www.oracle.com/technetwork/java/javase/downloads/jdk8-downloads-2133151.html
Second, the installation
Third, the next configure environment variables
Fourth, the next be verified that they are successfully installed java
1, open cmd
Shortcut keys, ** (win + r) **, enter cmd
2, the input output java observe whether there appeared to be described below is OK command
Configuration --cmd command line input java environment java javac normal display rather than an internal or external command is displayed
javac and java can display normal error, an error message is the path can not be found above, it can be speculated cmd command line java command should the default is the path of java (do not know right now there are three places there java.exe, and if you count the four public jre there), so the safer of the two paths are added to the path we set the front, using jdk \ bin or jdk \ jr \ bin in java. exe, and the specific use and which should be the order of the two paths, but also on the relationship nothing, after all java.exe is the same.
Five, IDE installation
https://blog.csdn.net/mashuai720/article/details/79389314
Reference links:
https://www.cnblogs.com/maoning/p/10701349.html
https://blog.csdn.net/beyond9305/article/details/83211379