Three threads in turn print 1-75, one thread prints 5 numbers at a time

Create a thread corresponding to the type, three threads are processed separately.

Call three different threads, cycle through 5 numbers, wake up other dormant threads after printing, and hibernate yourself.

1  PackageThread;2 /**3 * Three threads in turn print 1-75, one thread prints 5 numbers at a time4  * @authorAdministrator5  *6  */7 8  Public classThreaddemo {9     //thread-corresponding type, three threads separate processingTen     Static intType = 1; One     Static intNumber = 1; A      Public Static voidMain (string[] args) { -         NewThread ("First thread:") {//Create a thread that is named the first thread -              Public voidrun () { the                 Try { -                     synchronized(Threaddemo.class) { -                          while(Number <= 75) { -                             //when the value of type is 1, it is printed by the first thread +                             if(Type = = 1) { -                                  for(inti = 0; I < 5; i++) { +System.out.println (Thread.CurrentThread (). GetName () + ":" + number++); A                                 } at                                 //Modifying Type Values -Type = 2; -                                 //waking other threads into hibernation -Threaddemo.class. Notifyall (); -                                 //The current thread has finished executing into hibernation -Threaddemo.class. Wait (); in}Else { -Threaddemo.class. Wait (); to                             } +                         } -                     } the}Catch(interruptedexception e) { * e.printstacktrace (); $                 }Panax Notoginseng             }; - }.start (); the         NewThread ("Second thread:") {//Create two threads, named first thread +              Public voidrun () { A                 Try { the                     synchronized(Threaddemo.class) { +                          while(Number <= 75) { -                             if(Type = = 2) { $                                  for(inti = 0; I < 5; i++) { $System.out.println (Thread.CurrentThread (). GetName () + ":" + number++); -                                 } -Type = 3; theThreaddemo.class. Notifyall (); -Threaddemo.class. Wait ();Wuyi}Else { theThreaddemo.class. Wait (); -                             } Wu                         } -                     } About}Catch(interruptedexception e) { $ e.printstacktrace (); -                 } -             }; - }.start (); A         NewThread ("Third thread:") {//Create three threads, named first thread +              Public voidrun () { the                 Try { -                     synchronized(Threaddemo.class) { $                          while(Number <= 75) { the                             if(Type = = 3) { the                                  for(inti = 0; I < 5; i++) { theSystem.out.println (Thread.CurrentThread (). GetName () + ":" + number++); the                                 } -Type = 1; inThreaddemo.class. Notifyall (); the                                 if(Number < 76) the                                     ; AboutThreaddemo.class. Wait (); the}Else { theThreaddemo.class. Wait (); the                             } +                         } -                     } the}Catch(interruptedexception e) {Bayi e.printstacktrace (); the                 } the             }; - }.start (); -     } the}

Three threads in turn print 1-75, one thread prints 5 numbers at a time