src/java.base/share/classes/java/util/zip/CRC32.java

@@ -1,7 +1,7 @@
 /*
- * Copyright (c) 1996, 2013, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1996, 2014, 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

@@ -30,13 +30,12 @@
 
 /**
  * A class that can be used to compute the CRC-32 of a data stream.
  *
  * <p> Passing a {@code null} argument to a method in this class will cause
- * a {@link NullPointerException} to be thrown.
+ * a {@link NullPointerException} to be thrown.</p>
  *
- * @see         Checksum
  * @author      David Connelly
  */
 public
 class CRC32 implements Checksum {
     private int crc;

@@ -49,25 +48,25 @@
 
 
     /**
      * Updates the CRC-32 checksum with the specified byte (the low
      * eight bits of the argument b).
-     *
-     * @param b the byte to update the checksum with
      */
+    @Override
     public void update(int b) {
         crc = update(crc, b);
     }
 
     /**
      * Updates the CRC-32 checksum with the specified array of bytes.
      *
      * @throws  ArrayIndexOutOfBoundsException
-     *          if {@code off} is negative, or {@code len} is negative,
-     *          or {@code off+len} is greater than the length of the
-     *          array {@code b}
+     *         if {@code off} is negative, or {@code len} is negative, or 
+     *         {@code off+len} is negative or greater than the length of 
+     *         the array {@code b}.
      */
+    @Override
     public void update(byte[] b, int off, int len) {
         if (b == null) {
             throw new NullPointerException();
         }
         if (off < 0 || len < 0 || off > b.length - len) {

@@ -75,31 +74,19 @@
         }
         crc = updateBytes(crc, b, off, len);
     }
 
     /**
-     * Updates the CRC-32 checksum with the specified array of bytes.
-     *
-     * @param b the array of bytes to update the checksum with
-     */
-    public void update(byte[] b) {
-        crc = updateBytes(crc, b, 0, b.length);
-    }
-
-    /**
-     * Updates the checksum with the bytes from the specified buffer.
+     * Updates the CRC-32 checksum with the bytes from the specified buffer.
      *
-     * The checksum is updated using
-     * buffer.{@link java.nio.Buffer#remaining() remaining()}
-     * bytes starting at
-     * buffer.{@link java.nio.Buffer#position() position()}
-     * Upon return, the buffer's position will
-     * be updated to its limit; its limit will not have been changed.
+     * The checksum is updated with the remaining bytes in the buffer, starting
+     * at the buffer's position. Upon return, the buffer's position will be
+     * updated to its limit; its limit will not have been changed.
      *
-     * @param buffer the ByteBuffer to update the checksum with
      * @since 1.8
      */
+    @Override
     public void update(ByteBuffer buffer) {
         int pos = buffer.position();
         int limit = buffer.limit();
         assert (pos <= limit);
         int rem = limit - pos;

@@ -118,17 +105,19 @@
     }
 
     /**
      * Resets CRC-32 to initial value.
      */
+    @Override
     public void reset() {
         crc = 0;
     }
 
     /**
      * Returns CRC-32 value.
      */
+    @Override
     public long getValue() {
         return (long)crc & 0xffffffffL;
     }
 
     private native static int update(int crc, int b);