public class Entry
{
   public String key;
   public Integer value;

   /** Constructor */
   public Entry( String k, Integer v)
   {
      key = k;
      value = v;
   }

   /** Returns the key stored in this entry. */
   public String getKey()
   {
      return key;
   }

   /** Returns the value stored in this entry. */
   public Integer getValue()
   {
      return value;
   }

   public Integer setValue(Integer val) 
   {
      Integer oldValue = value;

      value = val;                // Update value
      return oldValue;            // Return old value
   }
}