Do not look at the hands of the blind: producer consumers-synchronization problems

1 Package Threadl;2 3 import java.util.LinkedList;4 5 classQueue extends Linkedlist<string>{6     intlenght;7      PublicQueue () {8         9     }Ten      One      PublicQueue (intlength) { A          This. Lenght =length; -     } -      the      Public intGetLength () { -         return  This. Lenght; -     } -      +      PublicString Shift () { -         if(! This. IsEmpty ()) { +             return  This. Remove (); A}Else{ at             return "it's empty."; -         } -     } -      -      Public voidpush (String ch) { -         if( This. Size () <= This. Lenght) { in              This. AddLast (CH); -         } to     } +      -      PublicBoolean isfull () { the         if( This. Size () = = This. Lenght) { *             return true; $}Else{Panax Notoginseng             return false; -         } the     } + } A classdepot{ theQueue queue =NULL; +      PublicDepot (intlength) { -          This. Queue =NewQueue (length); $     } $     Static inti =1; -      PublicSynchronizedvoidProduce (String ch) { -          This. Notify (); the          while( This. Queue.isfull ()) { -             Try {Wuyi                  This. Wait (); the}Catch(interruptedexception e) { - e.printstacktrace (); Wu             } -         } About          This. Queue.push (CH); $System. out. println ("production section \ t"+ (i++) +"\ t products \ t"+ This. Queue.getlast ()); -     } -      PublicSynchronizedvoidconsume () { -          This. Notify (); A          while( This. Queue.isempty ()) { +             Try { the                  This. Wait (); -}Catch(interruptedexception e) { $ e.printstacktrace (); the             } the         } theSystem. out. println ("consumes the first \ t"+ (-I.) +"\ t products \ t"+ This. Queue.getfirst ()); the          This. Queue.shift (); -     } in } the classProduce implements runnable{ the Depot Depot; About      PublicProduce (Depot Depot) { the          This. depot=Depot; the     } the      Public voidrun () { +          for(intI=0;i<Ten; i++){ -              This. Depot.produce ("A"); the         }Bayi     } the } the classconsume implements runnable{ - Depot Depot; -      Publicconsume (Depot Depot) { the          This. depot=Depot; the     } the      Public voidrun () { the          for(intI=0;i<Ten; i++){ -              This. Depot.consume (); the         } the     } the }94  Public classTHREAD10 { the      Public Static voidMain (string[] args) { theDepot Depot =NewDepot (8); theThread Pro =NewThread (NewProduce (depot));98Thread con =NewThread (Newconsume (depot)); About Pro.start (); -Pro.setname ("PRO");101 Con.start ();102Con.setname ("CON");103     }104}

Do not look at the hands of the blind: producer consumers-synchronization problems