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Groups > comp.lang.java.programmer > #8669
| From | Knute Johnson <nospam@knutejohnson.com> |
|---|---|
| Newsgroups | comp.lang.java.programmer |
| Subject | Re: java Thread class |
| Date | 2011-10-09 20:20 -0700 |
| Organization | A noiseless patient Spider |
| Message-ID | <j6toan$tbr$1@dont-email.me> (permalink) |
| References | <319384c2-13c3-45f1-a9be-2be669a2204b@r8g2000prh.googlegroups.com> |
On 10/9/2011 8:07 PM, 光 署 wrote:
> hi all, I have a Thread named r1 , why I can not write "
> r1.start();r1.start();". when I write "r1.start(); r1.start();" there
> was an error that "IllegalThreadStateException".
>
> r1.run(){
> public void run(){
> System.out.println("name" + super.getName() + "---->" +
> super.getI());
> }
> }
start
public void start()
Causes this thread to begin execution; the Java Virtual Machine
calls the run method of this thread.
The result is that two threads are running concurrently: the
current thread (which returns from the call to the start method) and the
other thread (which executes its run method).
It is never legal to start a thread more than once. In particular,
a thread may not be restarted once it has completed execution.
Throws:
IllegalThreadStateException - if the thread was already started.
See Also:
run(), stop()
--
Knute Johnson
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java Thread class 光 署 <shuguang008@gmail.com> - 2011-10-09 20:07 -0700 Re: java Thread class Knute Johnson <nospam@knutejohnson.com> - 2011-10-09 20:20 -0700 Re: java Thread class Patricia Shanahan <pats@acm.org> - 2011-10-09 20:37 -0700
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