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## src/java.smartcardio/share/classes/javax/smartcardio/ATR.java

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    *** 1,7 ***
      /*
    !  * Copyright (c) 2005, 2006, 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) 2005, 2021, 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

    *** 24,10 ***
    --- 24,11 ---
       */

      package javax.smartcardio;

      import java.util.*;
    + import java.io.IOException;

      /**
       * A Smart Card's answer-to-reset bytes. A Card's ATR object can be obtained
       * by calling {@linkplain Card#getATR}.
       * This class does not attempt to verify that the ATR encodes a semantically

    *** 44,10 ***
    --- 45,13 ---
       */
      public final class ATR implements java.io.Serializable {

          private static final long serialVersionUID = 6695383790847736493L;

    +     /**
    +      * The internal answer-to-reset byte array.
    +      */
          private byte[] atr;

          private transient int startHistorical, nHistorical;

          /**

    *** 154,12 ***
           */
          public int hashCode() {
              return Arrays.hashCode(atr);
          }

          private void readObject(java.io.ObjectInputStream in)
    !             throws java.io.IOException, ClassNotFoundException {
              atr = (byte[])in.readUnshared();
              parse();
          }

      }
    --- 158,19 ---
           */
          public int hashCode() {
              return Arrays.hashCode(atr);
          }

    +     /**
    +      * Restores the state of this object from the stream.
    +      *
    +      * @param  in the {@code ObjectInputStream} from which data is read
    +      * @throws IOException if an I/O error occurs
    +      * @throws ClassNotFoundException if a serialized class cannot be loaded
    +      */
          private void readObject(java.io.ObjectInputStream in)
    !             throws IOException, ClassNotFoundException {
              atr = (byte[])in.readUnshared();
              parse();
          }

      }

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