Java scheduled task implementation

Package  Com. ucap. SMS;  Import  Java. util. timer;  Import  Javax. servlet. servletcontextevent;  Import  Javax. servlet. servletcontextlistener;  Public   Class Smslistener Implements  Servletcontextlistener {  Private Timer timer = Null ;  Public   Void  Contextdestroyed (servletcontextevent SCE) {timer. Cancel ();}  Public   Void  Contextinitialized (servletcontextevent SCE) {Timer = New Timer ( True  );
//Set the task schedule, start time, And IntervalTimer. Schedule (  New Notereplytask (), zero, 86400000 );}} 

ImportJava. util. timertask;Public ClassMytaskExtendsTimertask {Public VoidRun (){//System. Out. println ("call at" + (new date ()));//Todo add a specific task hereCode}}
 

Webxml Configuration

<Listener><Listener-class>Com. fastunit. samples. listener. mylistener</Listener-class></Listener>