registered:
Runtime.Getruntime (). Addshutdownhook (thread t);
Logout:
Runtime.Getruntime (). RemoveShutdownhook (Thread T);
[example]
/ ** * In this thread, the cleaning work before the program exits * * @Author administrator * * /
Class testthread extends thread {boolean isterminal
=
False;
public
Void Run () {
While
(! isterminal) {Try {thread.sleep
1000
);} Catch (interruptedException e) {E.PrintStackTrace ();} system.out.println ("Run Sub Thread");}}
/ ** /
/ ** * Clean up work * /
public
Void onterminal () {isterminal
=
True; System.Out.println ("Stop Sun Sub Thread");}}
/ ** /
/ ** * shutdowndownhook test class * @Author administrator * * /
public
Class Testshutdownhook Extends Thread {Testthread Testthread;
public
Void Addthread (Testthread T) {Testthread
=
T;
/ ** /
/ ** * Clean up before the program exits * /
public
Void Run () {system.out.println ("this
IS
Shutdownhook "); testthread.onterminal ();
public
Static void main (String
[]
Args) {testshutdownhook m
=
New testshutdownhook (); testthread t
=
New Testthread (); T.Start (); M.Addthread (t);
//
Registration Exit Process Thread Runtime.Getruntime (). Addshutdownhook (M);}}
operation result:
Run Sub Threadrun Sub Threadrun Sub Threadrun Sub Threadthis Is ShutdownhookStop Sun Sub Thread
It can be seen that the Testthread thread started when the program exited, and the defined release work was performed.
Ctrl C exits the program.
