$ java -cp target/classes com.ankurm.reflection.ModuleRulesDemo

== setAccessible on your own class ==
Account.owner = carol

== setAccessible on a JDK private field ==
String lives in module : java.base
we live in module      : unnamed module @6b95977 (unnamed=true)
java.lang open to us   : false
trySetAccessible       : false
setAccessible threw    : InaccessibleObjectException
  Unable to make field private final byte[] java.lang.String.value accessible: module java.base does not "opens java.lang" to unnamed module @6b95977

$ java --add-opens java.base/java.lang=ALL-UNNAMED -cp target/classes com.ankurm.reflection.ModuleRulesDemo

== setAccessible on your own class ==
Account.owner = carol

== setAccessible on a JDK private field ==
String lives in module : java.base
we live in module      : unnamed module @3764951d (unnamed=true)
java.lang open to us   : true
trySetAccessible       : true
setAccessible worked, String.value is a byte[]