diff -r 692de65ab293 -r c3df0f8b6d93 src/java.base/windows/classes/sun/nio/ch/NativeThread.java
--- a/src/java.base/windows/classes/sun/nio/ch/NativeThread.java	Tue Oct 29 19:23:09 2019 +0000
+++ b/src/java.base/windows/classes/sun/nio/ch/NativeThread.java	Tue Oct 29 19:55:34 2019 +0000
@@ -29,14 +29,13 @@
 // Signalling operations on native threads
 
 
-public class NativeThread {
+class NativeThread {
 
-    public static long current() {
+    static long current() {
         // return 0 to ensure that async close of blocking sockets will close
         // the underlying socket.
         return 0;
     }
 
-    public static void signal(long nt) { }
-
+    static void signal(long nt) { }
 }