diff -r eb491334113f -r 119ac9128c1b src/java.base/windows/classes/sun/nio/ch/FileDispatcherImpl.java
--- a/src/java.base/windows/classes/sun/nio/ch/FileDispatcherImpl.java	Fri Oct 25 14:50:16 2019 +0100
+++ b/src/java.base/windows/classes/sun/nio/ch/FileDispatcherImpl.java	Fri Oct 25 15:56:35 2019 +0100
@@ -48,7 +48,7 @@
         return true;
     }
 
-    int read(FileDescriptor fd, long address, int len)
+    public int read(FileDescriptor fd, long address, int len)
         throws IOException
     {
         return read0(fd, address, len);
@@ -64,7 +64,7 @@
         return readv0(fd, address, len);
     }
 
-    int write(FileDescriptor fd, long address, int len) throws IOException {
+    public int write(FileDescriptor fd, long address, int len) throws IOException {
         return write0(fd, address, len, fdAccess.getAppend(fd));
     }
 
@@ -104,7 +104,7 @@
         release0(fd, pos, size);
     }
 
-    void close(FileDescriptor fd) throws IOException {
+    public void close(FileDescriptor fd) throws IOException {
         fdAccess.close(fd);
     }