Thread---consumption production

/*thread production and consumption*/classSynstack {Private Char[] data =New Char[6]; Private intCNT = 0;//represents the number of valid elements in an array         Public synchronized voidPushCharch) {         while(CNT = =data.length) {Try            {                 This. Wait (); }            Catch(Exception e) {}} This. Notify (); DATA[CNT]=ch; ++CNT; System.out.printf ("The production line is producing%d products, the product is:%c\n", CNT, CH); }         Public synchronized Charpop () {Charch;  while(cnt = = 0)        {            Try            {                 This. Wait (); }            Catch(Exception e) {}} This. Notify (); CH= Data[cnt-1]; System.out.printf ("Consumer thread is consuming%d products, the product is:%c\n", CNT, CH); --CNT; returnch; }    }classProducerImplementsrunnable{PrivateSynstack SS =NULL;  PublicProducer (Synstack ss) { This. SS =SS; }         Public voidRun ()//throws Exception    {        //push (' a '); //Error        Charch;  for(inti=0; i<20; ++i) {//try{//Thread.Sleep (+);//            }//catch (Exception e) {//            }CH= (Char) (' a ' +i);        Ss.push (CH); }    }}classConsumerImplementsrunnable{PrivateSynstack SS =NULL;  PublicConsumer (Synstack ss) { This. SS =SS; }         Public voidrun () { for(inti=0; i<20; ++i) {Try{Thread.Sleep (100); }            Catch(Exception e) {}//System.out.printf ("%c\n", Ss.pop ());Ss.pop (); }    }} Public classtestpc{ Public Static voidMain (string[] args) {synstack ss=NewSynstack (); Producer P=NewProducer (ss); Consumer C=NewConsumer (ss); Thread T1=NewThread (P);                        T1.start (); Thread T2=NewThread (c);    T2.start (); }}

Thread---consumption production