Java_Thread producer and consumer Demo, java_threaddemo

Java_Thread producer and consumer Demo, java_threaddemo

1 package com. bjsxt. thread. demo; 2 public class ProducerConsumer {3/** 4 * producer and consumer 5 * @ param args 6 */7 public static void main (String [] args) {// simulate thread 8 SyncStack ss = new SyncStack (); 9 Producer p = new Producer (ss); 10 Consumer c = new Consumer (ss ); 11 new Thread (p ). start (); // enable Thread 12 new Thread (c ). start (); // enable thread 13} 14} 15 16/** 17 * Woto class 18 */19 class WoTo {20 int id; 21 WoTo (int id) {22 this. id = id; 23} 24 public String toString () {25 return "WoTo:" + id; 26} 27} 28 29/** 30 * box (used to hold steamed buns) 31 * @ author wenfei 32 */33 class SyncStack {34 int index = 0; 35 WoTo [] arrwt = new WoTo [6]; 36 37 public synchronized void push (WoTo wt) {38 39 while (index = arrwt. length) {40 41 try {42 this. wait (); // tentative current object 43 44} catch (InterruptedException e) {45 e. printStackTrace (); 46} 47} 48 this. Y (); // wake up the current thread 49 arrwt [index] = wt; 50 index ++; 51} 52 53 public synchronized WoTo pop () {54 while (index = 0) {55 56 try {57 this. wait (); 58} catch (InterruptedException e) {59 e. printStackTrace (); 60} 61} 62 this. Y (); 63 index --; 64 return arrwt [index]; 65} 66} 67 68/** 69 * Producer 70*71 * @ author wenfei 72 */73 class Producer implements Runnable {74 SyncStack ss = null; 75 76 Producer (SyncStack ss) {77 this. ss = ss; 78} 79 80 @ Override 81 public void run () {82 // produce wt 83 for (int I = 0; I <= 100; I ++) {84 WoTo wt = new WoTo (I); 85 ss. push (wt); // enter the 86 System in the basket. out. println ("produced --->" + wt); 87 try {88 // Thread. sleep (1000); // each time a sleep is produced 89 threads per second. sleep (int) Math. random () * 1000); 90} catch (InterruptedException e) {91 // TODO Auto-generated catch block 92 e. printStackTrace (); 93} 94} 95} 96 97} 98 99/** 100 * Consumer 101*102 * @ author wenfei103 */104 class Consumer implements Runnable {105 SyncStack ss = null; 106 107 Consumer (SyncStack ss) {108 this. ss = ss; 109} 110 111 @ Override112 public void run () {113 for (int I = 0; I <= 100; I ++) {114 WoTo wt = ss. pop (); 115 System. out. println ("consumed --->" + wt); 116 try {117 // Thread. sleep (1000); // 118 Thread per second of sleep consumption. sleep (int) Math. random () * 1000); // 119} catch (InterruptedException e) {120 // TODO Auto-generated catch block121 e. printStackTrace (); 122} 123 // System. out. println (wt); 124} 125} 126 127}