Index: sample/hadoop-0.16/tw/org/nchc/tuple/HashMapWritable.java
===================================================================
--- sample/hadoop-0.16/tw/org/nchc/tuple/HashMapWritable.java	(revision 25)
+++ sample/hadoop-0.16/tw/org/nchc/tuple/HashMapWritable.java	(revision 26)
@@ -11,5 +11,5 @@
 
 import org.apache.hadoop.io.Writable;
-
+@SuppressWarnings("unchecked") 
 public class HashMapWritable<K extends Writable, V extends Writable> extends HashMap<K, V> implements
         Writable {
@@ -40,4 +40,5 @@
 	 *            source for raw byte representation
 	 */
+
 	public void readFields(DataInput in) throws IOException {