src/share/classes/javax/imageio/plugins/jpeg/JPEGImageReadParam.java

*** 132,144 ****
              (ACHuffmanTables.length > 4) ||
              (DCHuffmanTables.length != ACHuffmanTables.length)) {
                  throw new IllegalArgumentException
                      ("Invalid JPEG table arrays");
          }
!         this.qTables = (JPEGQTable[])qTables.clone();
!         this.DCHuffmanTables = (JPEGHuffmanTable[])DCHuffmanTables.clone();
!         this.ACHuffmanTables = (JPEGHuffmanTable[])ACHuffmanTables.clone();
      }
  
      /**
       * Removes any quantization and Huffman tables that are currently
       * set.
--- 132,144 ----
              (ACHuffmanTables.length > 4) ||
              (DCHuffmanTables.length != ACHuffmanTables.length)) {
                  throw new IllegalArgumentException
                      ("Invalid JPEG table arrays");
          }
!         this.qTables = qTables.clone();
!         this.DCHuffmanTables = DCHuffmanTables.clone();
!         this.ACHuffmanTables = ACHuffmanTables.clone();
      }
  
      /**
       * Removes any quantization and Huffman tables that are currently
       * set.
*** 160,170 ****
       * <code>null</code>.
       *
       * @see #setDecodeTables
       */
      public JPEGQTable[] getQTables() {
!         return (qTables != null) ? (JPEGQTable[])qTables.clone() : null;
      }
  
      /**
       * Returns a copy of the array of DC Huffman tables set on the
       * most recent call to <code>setDecodeTables</code>, or
--- 160,170 ----
       * <code>null</code>.
       *
       * @see #setDecodeTables
       */
      public JPEGQTable[] getQTables() {
!         return (qTables != null) ? qTables.clone() : null;
      }
  
      /**
       * Returns a copy of the array of DC Huffman tables set on the
       * most recent call to <code>setDecodeTables</code>, or
*** 175,185 ****
       *
       * @see #setDecodeTables
       */
      public JPEGHuffmanTable[] getDCHuffmanTables() {
          return (DCHuffmanTables != null)
!             ? (JPEGHuffmanTable[])DCHuffmanTables.clone()
              : null;
      }
  
      /**
       * Returns a copy of the array of AC Huffman tables set on the
--- 175,185 ----
       *
       * @see #setDecodeTables
       */
      public JPEGHuffmanTable[] getDCHuffmanTables() {
          return (DCHuffmanTables != null)
!             ? DCHuffmanTables.clone()
              : null;
      }
  
      /**
       * Returns a copy of the array of AC Huffman tables set on the
*** 191,199 ****
       *
       * @see #setDecodeTables
       */
      public JPEGHuffmanTable[] getACHuffmanTables() {
          return (ACHuffmanTables != null)
!             ? (JPEGHuffmanTable[])ACHuffmanTables.clone()
              : null;
      }
  }
--- 191,199 ----
       *
       * @see #setDecodeTables
       */
      public JPEGHuffmanTable[] getACHuffmanTables() {
          return (ACHuffmanTables != null)
!             ? ACHuffmanTables.clone()
              : null;
      }
  }