Consumer and producer (multithreading)

1 /**2 * Requirements: Assume that there are 10 consumers to consume the production of products, products to ensure that the order by any other consumer consumption, the last consumption of the next to spend3  * 4  * @authorTrfizeng5  * 6  */7  Public classScthread {8      Public Static voidMain (string[] args) {9SYSTEM.OUT.PRINTLN ("Begin:" + (System.currenttimemillis ())/1000);Ten          for(inti = 0; I < 10; i++) {//unable to move equivalent to producer One             FinalString input = i + "";//can't move . AString output =testdao.dosome (input); -System.out.println (Thread.CurrentThread (). GetName () + ":" +output); -         } the     } -  -     //This class cannot move the equivalent of the consumer -     Static classTestdao { +          Public Staticstring Dosome (String input) { -             Try { +Thread.Sleep (1000); A}Catch(Exception e) { at e.printstacktrace (); -             } -String output = input + ":" + (System.currenttimemillis ()/1000); -             returnoutput; -         } -     } in}

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Solution:

1 ImportJava.util.concurrent.ArrayBlockingQueue;2 ImportJava.util.concurrent.BlockingQueue;3 ImportJava.util.concurrent.locks.Lock;4 ImportJava.util.concurrent.locks.ReentrantLock;5 6 /**7 * Requirements: Assume that there are 10 consumers to consume the production of products, products to ensure that the order by any other consumer consumption, the last consumption of the next to spend8  * 9  * @authorTrfizengTen  *  One  */ A  Public classScthread { -      Public Static voidMain (string[] args) { -         FinalLock lock =NewReentrantlock (); the         FinalBlockingqueue<string> Blockingqueue =NewArrayblockingqueue<string>( -10); -SYSTEM.OUT.PRINTLN ("Begin:" + (System.currenttimemillis ())/1000); -          for(inti = 0; I < 10; i++) {//unable to move equivalent to producer +             FinalString input = i + "";//can't move . -             /* + * String output = testdao.dosome (input); A * SYSTEM.OUT.PRINTLN (Thread.CurrentThread (). GetName () + ":" + at * output); -              */ -             Try { - blockingqueue.put (input); -}Catch(interruptedexception E1) { - e1.printstacktrace (); in             } -         } to  +          for(inti = 0; I < 10; i++) { -             NewThread () { the @Override *                  Public voidrun () { $ Lock.lock ();Panax Notoginseng String output; -                     Try { the                         //synchronized (scthread.class) { +Output =Testdao.dosome (Blockingqueue.take ()); A System.out.println (Thread.CurrentThread (). GetName () the+ ":" +output); +                         // } -}Catch(interruptedexception e) { $ e.printstacktrace (); $}finally { - Lock.unlock (); -                     } the                 } - }.start ();Wuyi         } the     } -  Wu     //This class cannot move the equivalent of the consumer -     Static classTestdao { About          Public Staticstring Dosome (String input) { $             Try { -Thread.Sleep (1000); -}Catch(Exception e) { - e.printstacktrace (); A             } +String output = input + ":" + (System.currenttimemillis ()/1000); the             returnoutput; -         } $     } the}

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Begin:1420089616
Thread-0:0:1420089617
Thread-1:1:1420089618
Thread-3:2:1420089619
Thread-4:3:1420089620
Thread-2:4:1420089621
thread-5:5 :1420089622 
 thread- 7:6:1420089623 
 Span class= "Typ" >thread-6:7 :1420089624 
 thread- 8:8:1420089625 
 Span class= "Typ" >thread-9:9 :1420089626            

Consumer and producer (multithreading)