there is no problem with javac viewing, but there is a problem with my administrator running the installation
PATH
CLASSPATH: .;%JAVA_HOME%\lib;%JAVA_HOME%\lib\dt.jar;%JAVA_HOME%\lib\tools.jar
JAVA_HOME: C:\Program Files\Java\jdk-10.0.2
there is no problem with javac viewing, but there is a problem with my administrator running the installation
PATH
CLASSPATH: .;%JAVA_HOME%\lib;%JAVA_HOME%\lib\dt.jar;%JAVA_HOME%\lib\tools.jar
JAVA_HOME: C:\Program Files\Java\jdk-10.0.2 
. Obviously, this version does not support java10,. At present, you have encountered several cases that have been installed with java10, and then cannot be installed by sdk. You can try java8.
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