As a zero base of small white, jdk11 after installation, CMD running javac is normal, Java is not normal, three Error and tried all kinds of methods: online delete three exe? I don't have to modify the environment variables? I'm normal, CMD set path set... ? This can indeed, but the next is also not line, the JDK uninstall reshipment? Two or three times problem is still the same, so, where is the problem? I search for the similar problems, combined with the basis of the very small, finally found the answer!

See my arrows? See the difference between your computer and? The problem is, order! That's right! Order!!!!!
The bin to be on the top of the oracle!
After the move, CMD, Java, you will find that the normal!