JDBC a register each time in transactions of 1000 elements

JdbcSimpleInsertInBlocks.java

connection.setAutoCommit(false);
try (PreparedStatement pstmt = connection.prepareStatement(TripEntityInsert.INSERT)) {
    int cont = 0;
    Iterator<TripEntity> iterator = trips.iterator();
    while (iterator.hasNext()) {
        tripInsert.setParameters(pstmt, iterator.next());
        pstmt.executeUpdate();
        cont++;
        if (cont % batchSize == 0) {
            connection.commit();
        }
    }
    connection.commit();
}