Java SDK 8*/compiler seems to compile java programs on Windows 7, 8,... macs IOS but not windows 10. Why is that?

Question

Java SDK compilers compatibility with recent operating systems

Answer 1

Any error messages?

Answer 2

Did you set the path?

Answer 3

none. but can't see options like Java, C++....where you are privileged to select

Answer 4

The options are limited to three comps that's not pertinent to Java in anyway. Strange hey!