use int if you have a small number of classes,
The system, designed in Devon by a company called Fishtek Marine, was tested by Swansea University in the Severn Estuary.
。关于这个话题，同城约会提供了深入分析
for (int i = 0; i < n; i++) {
ВсеСтильВнешний видЯвленияРоскошьЛичности