LIST与大数据量的处理
public class ListTest{ public static void main(String[] args) { long start = System.currentTimeMillis(); List ll = new ArrayList(0); List<List<String>> list = new ArrayList<List<String>>(12); List<String> l = new ArrayList<String>(12); for (int i = 0; i < 1000000; i++) { if ((i + 1) % 50000 == 0) { list.add(l); l = new ArrayList<String>(); } l.add(i + "aaaaaa"); } long end = System.currentTimeMillis(); System.out.println(end - start); }}