如何在Java中使线程等待1ms？

Question

If I have a certain line, that I want any thread to wait for 1ms before execute it. How can I achieve this please. I'm using the following lines before the line that I wanted but not sure if this is the right thing:

try // wait for 1 millisecond to avoid duplicate file name
{
Thread.sleep(1);  //wait for 1 ms

}catch (InterruptedException ie)
{
System.out.println(ie.getMessage());
}

Answer 1

Very few systems have a resolution of 1ms in the System.currentTimeMillis() call. If you want to wait until it changes then that is what you should do.

long start = System.currentTimeMillis();
while ( System.currentTimeMillis() == start ) {
  Thread.sleep(1);
}

or perhaps a little better:

private static long lastMillis = 0;

static synchronized long nextMillis() throws InterruptedException {
  long nextMillis;
  while ((nextMillis = System.currentTimeMillis()) == lastMillis) {
    Thread.sleep(1);
  }
  return lastMillis = nextMillis;
}