📅  最后修改于: 2022-03-11 14:52:17.941000             🧑  作者: Mango
final long startTime = System.currentTimeMillis();
for (int i = 0; i < length; i++) {
// Do something
}
final long endTime = System.currentTimeMillis();
System.out.println("Total execution time: " + (endTime - startTime));