7154662: {CRC32, Adler32}.update(byte[] b, int off, int len): undocumented...

7154662: {CRC32, Adler32}.update(byte[] b, int off, int len): undocumented ArrayIndexOutOfBoundsException
Summary: to add the throws clause
Reviewed-by: alanb, chegar

src/share/classes/java/util/zip/Adler32.java

@@ -62,6 +62,11 @@ class Adler32 implements Checksum {
 
     /**
      * Updates the 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}
      */
     public void update(byte[] b, int off, int len) {
         if (b == null) {

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

@@ -60,6 +60,11 @@ class CRC32 implements Checksum {
 
     /**
      * 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}
      */
     public void update(byte[] b, int off, int len) {
         if (b == null) {