src/java.base/share/classes/java/nio/channels/ReadableByteChannel.java

*** 1,7 ****
  /*
!  * Copyright (c) 2000, 2001, Oracle and/or its affiliates. All rights reserved.
   * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   *
   * This code is free software; you can redistribute it and/or modify it
   * under the terms of the GNU General Public License version 2 only, as
   * published by the Free Software Foundation.  Oracle designates this
--- 1,7 ----
  /*
!  * Copyright (c) 2000, 2019, Oracle and/or its affiliates. All rights reserved.
   * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   *
   * This code is free software; you can redistribute it and/or modify it
   * under the terms of the GNU General Public License version 2 only, as
   * published by the Free Software Foundation.  Oracle designates this
*** 88,97 ****
--- 88,100 ----
       *          If this channel was not opened for reading
       *
       * @throws  ClosedChannelException
       *          If this channel is closed
       *
+      * @throws  IllegalArgumentException
+      *          If the buffer is read-only
+      *
       * @throws  AsynchronousCloseException
       *          If another thread closes this channel
       *          while the read operation is in progress
       *
       * @throws  ClosedByInterruptException