try  {
                          tempClob = CLOB.createTemporary( conn, true, CLOB.DURATION_SESSION );

        // Open the temporary CLOB in readwrite mode to enable writing
                        tempClob.open( CLOB.MODE_READWRITE );
                          
                       
//                        // Open the temporary CLOB in readwrite mode to enable writing
                        tempClob.open( CLOB.MODE_READWRITE );
//
                        Writer tempClobWriter = tempClob.getCharacterOutputStream(  );
//
//                        // Write the data into the temporary CLOB
                        tempClobWriter.write( content );
//
//                        // Flush and close the stream
                        tempClobWriter.flush(  );
                        tempClobWriter.close(  );
//
//                        // Close the temporary CLOB
                        tempClob.close(  );

                      }  catch  ( Exception exp ) {
                         // Free CLOB object
                          tempClob.freeTemporary( );
                          // do something
                      }

Statement dummyStatement = conn_.createStatement();
    OracleConnection conn = (OracleConnection) dummyStatement.getConnection();