src/java.base/share/classes/sun/nio/ch/Net.java

@@ -77,11 +77,11 @@
     private static volatile boolean isReusePortAvailable;
 
     /**
      * Tells whether dual-IPv4/IPv6 sockets should be used.
      */
-    static boolean isIPv6Available() {
+    public static boolean isIPv6Available() {
         if (!checkedIPv6) {
             isIPv6Available = isIPv6Available0();
             checkedIPv6 = true;
         }
         return isIPv6Available;

@@ -148,11 +148,11 @@
         if (!(sa instanceof InetSocketAddress))
             throw new UnsupportedAddressTypeException();
         return (InetSocketAddress)sa;
     }
 
-    static void translateToSocketException(Exception x)
+    public static void translateToSocketException(Exception x)
         throws SocketException
     {
         if (x instanceof SocketException)
             throw (SocketException)x;
         Exception nx = x;

@@ -178,11 +178,11 @@
             throw (RuntimeException)nx;
         else
             throw new Error("Untranslated exception", nx);
     }
 
-    static void translateException(Exception x,
+    public static void translateException(Exception x,
                                    boolean unknownHostForUnresolved)
         throws IOException
     {
         if (x instanceof IOException)
             throw (IOException)x;

@@ -194,20 +194,20 @@
              throw new UnknownHostException();
         }
         translateToSocketException(x);
     }
 
-    static void translateException(Exception x)
+    public static void translateException(Exception x)
         throws IOException
     {
         translateException(x, false);
     }
 
     /**
      * Returns the local address after performing a SecurityManager#checkConnect.
      */
-    static InetSocketAddress getRevealedLocalAddress(InetSocketAddress addr) {
+    public static InetSocketAddress getRevealedLocalAddress(InetSocketAddress addr) {
         SecurityManager sm = System.getSecurityManager();
         if (addr == null || sm == null)
             return addr;
 
         try{

@@ -218,11 +218,11 @@
             addr = getLoopbackAddress(addr.getPort());
         }
         return addr;
     }
 
-    static String getRevealedLocalAddressAsString(InetSocketAddress addr) {
+    public static String getRevealedLocalAddressAsString(InetSocketAddress addr) {
         return System.getSecurityManager() == null ? addr.toString() :
                 getLoopbackAddress(addr.getPort()).toString();
     }
 
     private static InetSocketAddress getLoopbackAddress(int port) {