JVM property -Dfile.encoding=UTF8 or UTF-8?

Question

I would like to know what is the value of the Java Virtual Machine (JVM) property to set my file encoding to UTF-8.

Do I put -Dfile.encoding=UTF8 or

Answer 1

This is not a direct answer, but very useful if you don't have access to how java starts: you can set the environment variable JAVA_TOOLS_OPTIONS to -Dfile.encoding="UTF-8" and every time the jvm starts it will pick up that option.