How to suspend current thread for 20 seconds in java?

Question

如何在java中暂停当前线程20秒？

Answer 1

Thread.sleep （20 * 1000）;

Answer 2

了Thread.sleep（20000）

Answer 3

you may also want to include the try catch:

try {
  Thread.sleep(20*1000);
} catch(InterruptedException e) { }