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   | 
Connection connection = null;
try
{
   Class.forName("la classe du driver JDBC");
   connection = DriverManager.getConnection("url DB", "user", "password");
   PreparedStatement pstmt = connection.prepareStatement("select CODECONTACT, PRENOM, NOM, LIENCLIENT, TELEPHONE1, TELEPHONE2 from CONTACT where codecontact in (select codecontact from clientcontact where codeclient=?)");
   pstmt.setString(1, jTFCodeClient);
   ResultSet rs = pstmt.executeQuery();
   while (rs.next())
   {
      ...
   }
}
catch (Exception e)
{
   ...
}
finally
{
   if ( connection != null ) connection.close();
} | 
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