 statements to a database
  <UL>
	 <LI><code>Statement</code> --  used to send basic SQL statements
	 <LI><code>PreparedStatement</code> --  used to send prepared statements or 
              basic SQL statements (derived from <code>Statement</code>)
	 <LI><code>CallableStatement</code> --  used to call database stored 
              procedures (derived from <code>PreparedStatement</code>)
	 <LI><code>Connection</code> interface --  provides methods for creating
             statements and managing connecti