Java Thread Producerandconsumer

Package j2se.thread.demo;/** * &LT;P&GT;PROJECT:J2SE Basics </p> * <p>tile: Multithreaded simulation for producers and consumers </p> * &LT;P&GT  ;D escription: * * * </p> * * @date 2014-06-10 * @author Liwenkai * @version 1.0 * */public class Producerandconsumer {public static void main (string[] args) {stack s = new Stack (6); Producer p = new Producer (s); Consumer C = new Consumer (s); Thread TP = new Thread (p, "product"); Tp.start (); try {///main thread main thread first sleep Millis, let the producer create product Thread.Sleep first;} catch (Int Erruptedexception e) {//TODO auto-generated catch Blocke.printstacktrace ();} Thread TC = new Thread (c, "product"); Tc.start ();}} Defines the product class, item {public string ID, item (String _id) {id = _id;}};/    /Simulate a stack (stack) container class Stack {item[] arr; int index;   Stack (int _size) {arr = new item[_size];    index = 0;}  Public synchronized void push (Item _item) {while (index = = arr.length) {try {//index = = Arr.length line Wait,   Block off this.wait (); } catch (InterruptedexcEption e) {e.printstacktrace ();}     } this.notify ();   Arr[index] = _item;   index++; The index read here is the most accurate System.out.println ("Push Consumer index =" + Index + ", Current time =" +system.c Urrenttimemillis ());}      Public synchronized Item POPs () {while (index = = 0) {try {///When index = = 0, consumer thread wait, block off;   This.wait ();   } catch (Interruptedexception e) {e.printstacktrace ();      }} this.notify ();   index--; The index read here is the most accurate System.out.println ("Pop Consumer index =" + Index + ", Current time =" +system.cu   Rrenttimemillis ()); return Arr[index];} public synchronized int GetIndex () {return index;}};/ /producer Class Producer implements runnable{Stack s; Producer (Stack _s) {s = _s;}  public void Run () {for (int i = 0; i <; i++) {Item item = new Item (Thread.CurrentThread (). GetName () + i) S.push (item),////Stack.index = S.getindex (), which may not be the result of producer thread churn,//The value can be changed because the consumer thread is also executing; SysTem.out.println ("Production of products \" "+ item.id +" \ "This is" +thread.currentthread (). GetName () + "production of" + i + "products," + "Stack.index =" + s.getindex () + ", curent time =" +system.currenttimemillis ()); Try{thread.sleep ((int) (Math.random () *1000));}    catch (Interruptedexception e) {e.printstacktrace ();} }}}//Consumer class Consumer implements runnable{Stack s; Consumer (Stack _s) {s = _s;} public void Run () {for (int i = 0; i <; i++) {Item item = S.POP ();//The Stack.index received here = S.getindex (), may not be consumed The value after the thread is changed,//because the producer thread is also executing, the value can be changed; System.out.println ("Consumption of products \" "+ item.id +" \ "This is" +thread.currentthread (). GetName () + "Consumption of the first" + i + "products" + "," + "stack.in        Dex = "+ s.getindex () +", Current time = "+system.currenttimemillis ()"); Try{thread.sleep ((int) (Math.random () *1000));} catch (Interruptedexception e) {e.printstacktrace ();}} }}/** * Push Consumer index = 1, current time = 1402393225000 produced the product "Product 0" This is the No. 0 product of the production, Stack.index = 1, curent time = 1 402393225000POP Consumer INDex = 0, current time = 1402393225109 consumes the product "product 0" This is the No. 0 product of the product consumption, Stack.index = 0, current time = 1402393225109push consume R index = 1, current time = 1402393225718pop Consumer index = 0, current time = 1402393225718 consumption of product "Product 1" This is the 1th product of product consumption,  Stack.index = 0, current time = 1402393225718 produced the product "Product 1" This is the product of the production of the 1th product, Stack.index = 0, curent time = 1402393225718push Consumer index = 1, current time = 1402393226718pop Consumer index = 0, current duration = 1402393226718 consumption of product "Product 2" This is the product consumption 2nd product, Stack.index = 0, current time = 1402393226718 produced the product "Product 2" This is the production of the 2nd product, Stack.index = 0, curent time = 140239322 6718push Consumer index = 1, current time = 1402393227218 produced the product "Product 3" This is the product of the production of the 3rd product, Stack.index = 1, curent time = 14023 93227218pop Consumer index = 0, current time = 1402393227453 consumes the product "Product 3" This is the product of the 3rd product consumption, Stack.index = 0, Current time = 1 402393227453push Consumer index = 1, current time = 1402393228109pop Consumer index = 0, and current = 1402393228109 produced Product "Product 4" This is the product of the 4th product production,Stack.index = 0, curent time = 1402393228109 consumes the product "Product 4" This is the product of the 4th product consumption, Stack.index = 0, Current time = 1402393228109push Consumer index = 1, current time = 1402393228312 produced the product "Product 5" This is the product of the production of the 5th product, Stack.index = 1, curent time = 1402393228312 Pop Consumer index = 0, current time = 1402393228390 consumes the product "product 5" This is the product of the 5th product consumption, Stack.index = 0, Current time = 140239322 8390push Consumer index = 1, current time = 1402393228593 produced the product "Product 6" This is the product of the production of the 6th product, Stack.index = 1, curent time = 14023 93228593pop Consumer index = 0, current time = 1402393228593 consumes the product "product 6" This is the product of the 6th product consumption, Stack.index = 0, Current time = 1 402393228593push Consumer index = 1, current time = 1402393228890pop Consumer index = 0, current duration = 1402393228890 consumed Product 7 This is the product consumption of the 7th product, Stack.index = 0, current time = 1402393228890 produced the product "Product 7" This is the production of the 7th product, Stack.index = 0, curent Time = 1402393228890push consumer the index = 1, and current duration = 1402393229312 produces the product "Product 8" which is the 8th product of the production, Stack.index = 1, cur ent time = 1402393229312Pop Consumer index = 0, current time = 1402393229890 consumes the product "Product 8" This is the product of the 8th product consumption, Stack.index = 0, Current time = 140239322 9890push Consumer index = 1, current time = 1402393230000 produced the product "Product 9" This is the product of the production of the 9th product, Stack.index = 1, curent time = 14023  93230000push Consumer index = 2, current time = 1402393230359 produced the product "Product 10" This is the product of the production of the 10th product, Stack.index = 2, curent time = 1402393230359pop Consumer index = 1, current time = 1402393230765 consumes the product "product 10" This is the 9th product of product consumption, Stack.index = 1, current t IME = 1402393230765push Consumer index = 2, current time = 1402393230781 produced the product "Product 11" This is the 11th product of the production, Stack.index = 2, cu  Rent time = 1402393230781pop Consumer index = 1, current duration = 1402393230890 consumes the product "product 11" This is the 10th product of product consumption, Stack.index = 1 , Current time = 1402393230890push Consumer index = 2, and current duration = 1402393230921 produced the product "Product 12" This is the 12th product of the production, stack.in Dex = 2, curent time = 1402393230921push Consumer index = 3, current = 1402393231390 produced product "Product 13" This is the 13th product of the production, St Ack.index = 3, curent tIME = 1402393231390pop Consumer index = 2, current time = 1402393231625 consumes the product "product 13" This is the product of the 11th product consumption, Stack.index = 2, cur Rent time = 1402393231625push Consumer index = 3, current duration = 1402393231656 produced product "Product 14" This is the 14th product of the production, Stack.index = 3, curent time = 1402393231656push Consumer index = 4, current duration = 1402393231984 produced the product "Product 15" This is the 15th product of the production, stack.in Dex = 4, curent time = 1402393231984push Consumer index = 5, current = 1402393232125 produced product "Product 16" This is the 16th product of the production, St Ack.index = 5, curent time = 1402393232125push Consumer index = 6, current = 1402393232250 produced product "Product 17" This is the 17th production of the product Product, Stack.index = 6, curent time = 1402393232250pop Consumer index = 5, current duration = 1402393232531 consumption of product "products 17" This is the product consumption  The 12th product, Stack.index = 5, current time = 1402393232531push Consumer index = 6, 1402393233234 produced product "Product 18" This is the product of the 18th product, Stack.index = 6, curent time = 1402393233234pop Consumer index = 5, the current duration = 1402393233421 consumption of products "products 18 "This is the 13th product of product consumption, STACk.index = 5, current time = 1402393233421pop Consumer index = 4, current time = 1402393233921 consumption of product "product 16" This is the 14th product of product consumption , Stack.index = 4, current time = 1402393233921push Consumer index = 5, and current duration = 1402393234218 produced product "Product 19" This is the production of products Of the 19th product, Stack.index = 5, curent time = 1402393234218pop Consumer index = 4, current duration = 1402393234828 consumes the product "product 19" this is the product consumption of the 15th product, Stack.index = 4, current time = 1402393234828push Consumer index = 5, the current 1402393235187 produced products "production Product 20 "This is the 20th product of production, Stack.index = 5, curent time = 1402393235187push Consumer index = 6, current time = 1402393235609 Raw Product "Product 21" This is the product of the production of the 21st product, Stack.index = 6, curent time = 1402393235609pop Consumer index = 5, Current time = 140239323 5796 consumed the product "product 21" This is the product consumption of the 16th product, Stack.index = 5, current time = 1402393235796push Consumer index = 6, Current time = 14  02393235875 produced the product "product 22" This is the production of the 22nd product, Stack.index = 6, curent time = 1402393235875pop Consumer index = 5, current time = 1402393236656 consumption of products "products22 "This is the 17th product of the product consumption, Stack.index = 5, current time = 1402393236656push Consumer index = 6, current time = 1402393236859 Raw Product "Product 23" This is the product of the production of the 23rd product, Stack.index = 6, curent time = 1402393236859pop Consumer index = 5, Current time = 140239323 7250 consumed the product "product 23" This is the product consumption of the 18th product, Stack.index = 5, current time = 1402393237250push Consumer index = 6, Current time = 14  02393237812 produced the product "product 24" This is the production of the 24th product, Stack.index = 6, curent time = 1402393237812pop Consumer index = 5, current time = 1402393238187 consumption of the product "product 24" This is the product consumption of the 19th product, Stack.index = 5, current time = 1402393238187push Consumer index = 6, Curre NT time = 1402393238218 produced the product "product 25" This is the product of the production of the 25th product, Stack.index = 6, curent time = 1402393238218pop Consumer index = 5,  Current time = 1402393238937push Consumer the index = 6, and current duration = 1402393238937 produced the product "product 26" which is the 26th product of the production, Stack.index = 6, curent time = 1402393238937 consumption of product "product 25" This is the product of the 20th product consumption, Stack.index = 6, current time = 1402393238937pop Consumer index = 5, current time = 1402393239609 consumption of the product "product 26" This is the product consumption of the 21st product, Stack.index = 5, current time = 1402393239609pop Consumer index = 4, Curren  T time = 1402393239640 consumed the product "product 20" This is the product of the 22nd product consumption, Stack.index = 4, current time = 1402393239640push Consumer index = 5,  Current time = 1402393239703 produced the product "product 27" This is the product of the production of the 27th product, Stack.index = 5, curent time = 1402393239703push Consumer Index = 6, Current time = 1402393239937 produced the product "product 28" This is the product of the production of the 28th product, Stack.index = 6, curent time = 1402393239937pop Consumer index = 5, current time = 1402393240406 consumes the product "product 28" This is the product of the 23rd product consumption, Stack.index = 5, current time = 1402393240406push Co Nsumer index = 6, current time = 1402393240406 produced the product "product 29" This is the product of the production of the 29th product, Stack.index = 6, curent time = 1402393240406p OP Consumer index = 5, current time = 1402393240875 consumes the product "product 29" This is the product of the 24th product consumption, Stack.index = 5, Current time = 14023932 40875pop Consumer index = 4, current time = 1402393241781 consumes the product "product 27" This is the product of the 25th product consumption, Stack.index = 4, Current time = 14 02393241781pop Consumerindex = 3, current time = 1402393242703 consumes the product "product 15" This is the 26th product of the product consumption, Stack.index = 3, current time = 1402393242703pop con Sumer index = 2, current time = 1402393243468 consumes the product "product 14" This is the product of the 27th product consumption, Stack.index = 2, current time = 1402393243468p OP Consumer index = 1, current time = 1402393243656 consumes the product "product 12" This is the product of the 28th product consumption, Stack.index = 1, current time = 14023932 43656pop Consumer index = 0, current time = 1402393244375 consumes the product "Product 9" This is the product of the 29th product consumption, Stack.index = 0, Current time = 140 2393244375**/

Java Thread Producerandconsumer