diff -r 203fceb089fc -r 692de65ab293 src/java.base/share/classes/sun/nio/ch/ServerSocketChannelImpl.java
--- a/src/java.base/share/classes/sun/nio/ch/ServerSocketChannelImpl.java	Tue Oct 29 08:26:48 2019 +0000
+++ b/src/java.base/share/classes/sun/nio/ch/ServerSocketChannelImpl.java	Tue Oct 29 19:23:09 2019 +0000
@@ -55,7 +55,7 @@
  * An implementation of ServerSocketChannels
  */
 
-public abstract class ServerSocketChannelImpl
+abstract class ServerSocketChannelImpl
     extends ServerSocketChannel
     implements SelChImpl
 {