<p>默认运行线程是<strong>Main thread</strong>,因此下一个线程将是主线程的子线程,因此它从count<strong>2</strong>开始。在</p>
<p><strong>示例:</strong></p>
<pre><code>thread count is : 1
Enumerate thread count is : [<_MainThread(MainThread, started 140735135682560)>]
Starting Thread-1
thread count is : 2
Enumerate thread count is : [<_MainThread(MainThread, started 140735135682560)>, <myThread(Thread-1, started 123145306509312)>]
Starting Thread-2
thread count is : 3
Enumerate thread count is : [<_MainThread(MainThread, started 140735135682560)>, <myThread(Thread-1, started 123145306509312)>, <myThread(Thread-2, started 123145310715904)>]
Exiting Main Thread
thread count is : 3
Enumerate thread count is : [<_MainThread(MainThread, started 140735135682560)>, <myThread(Thread-1, started 123145306509312)>, <myThread(Thread-2, started 123145310715904)>]
Thread-1: Thu Jun 28 12:44:35 2018
Thread-1: Thu Jun 28 12:44:36 2018
Thread-2: Thu Jun 28 12:44:36 2018
Thread-1: Thu Jun 28 12:44:37 2018
Thread-1: Thu Jun 28 12:44:38 2018
Thread-2: Thu Jun 28 12:44:38 2018
Thread-1: Thu Jun 28 12:44:39 2018
Exiting Thread-1
Thread-2: Thu Jun 28 12:44:40 2018
Thread-2: Thu Jun 28 12:44:42 2018
Thread-2: Thu Jun 28 12:44:44 2018
Exiting Thread-2
Enumerate thread count is : [<_MainThread(MainThread, started 140735135682560)>]
</code></pre>