Oracle has updated the agreement of the new version of oraclejdk8. Commercial use seems to be charged. The openjdk8
download addresses of other versions are as follows
sun
Version openjdk8
download address :
http://jdk.java.net/java-se-ri/8-MR3
zulu
Version openjdk8
download address
https://cn.azul.com/downloads/zulu-community/?architecture=x86-64-bit&package=jdk