wait and notify

Reprint Source: Http://blog.csdn.net/evankaka, Lin Bingwen Evankaka Original works Written in the previous words: This article can only say that Java multithreading is a primer, in fact, the Java thread can write a book, but if the most basic you

In the previous article, we introduced the Synchronized keyword, which can basically realize the correct access and modification of critical resources between threads in critical section. However, it relies on a Java object built-in lock that can

Core points:1, the lock object must be the same. the 2, Wait (), and notify () methods must be methods that invoke the lock object, not this (thread). 3, in the multi-production and more consumption of attention to use Notifyall instead of notifyall,

1 // The standard idiom for calling the wait 2 synchronized (sharedobject) {3 while (condition) {4 sharedobject.wait (); releases lock, and reacquires on Wake up5 }6 // do action based upon condition e.g. take or

Daemon ThreadsTypically, the application behind the scenes is that the daemon is guarded by the end of the thread, even if the daemon thread is not finished, then it will end.Thread-Local Variables: object property data security issues when solving

New Thread Creating a new thread is simple, as long as you create a thread object with the New keyword. and start it (). So what happens after the thread start ()? This is the key to the problem. Thread tread, there is a run () method. Start ()

The basic problems of multithreading, concurrency, and threading1) Can I create a volatile array in Java?Yes, you can create an array of volatile types in Java, but only a reference to an array, not an entire array. I mean, if you change the array

**************************************** ****************************************************** Original works, from the "Xiaofeng residual month XJ" blog, welcome to reprint, reprint please be sure to indicate the source

1. What about the dynamic loading mechanism ??Learning Java is easier to understand the idea of OOP than C ++. After all, C ++ has a lot of process-oriented components. Many people can back up the features of the Java language, the so-called dynamic

The most important one is:Synchronized is used for implicit locks of objects. Note that it is an object! For example, this example does not have any business meaning, just to illustrate the basic usage of synchronized:Java codeClass MyClass

JAVA high-concurrency multi-thread must understand 50 issues, java concurrent multi-thread 50 Http://www.importnew.com/12773.htmlImportNewHomepage all articles Information Web architecture basic technology books and tutorials Java group tools and

This article can be used as a learning note for the Zhang Xiaoxiang-java multi-threading and concurrency Library advanced application.Above we said lock, that is a more object-oriented substitution of synchronized, in the original synchronized, we

In Object.java, interfaces such as Wait (), notify (), and notifyall () are defined.Notify ()--wakes up a single thread waiting on this object monitor.Notifyall ()--wakes up all the threads waiting on this object monitor.Wait ()--keeps the current

We often use the wait (), notify (), and Notifyall () methods to communicate between threads. When a thread checks a condition, it enters a wait state, for example, in the producer-consumer model, the producer thread discovers that the buffer is

The first thing to note is that declaring the method declared in the object class is a feature that every Java class should have, because it is well known that object is the originator of all Java classes, so what are the three methods in object?

The difference between sleep and wait is that sleep does not release the lock, and the pause of sleep is different from that of wait. OBJ. Wait will make the thread enter the waiting set of the OBJ object and wait for awakening. However, both wait (

strengthen the article1. Thread Mutex lockA, multi-threaded mutex shared "Basic data type Data" resource, the lock (with the Synchronized keyword) must be an object, the basic data type of the variable can not be used as an object lock, at the same

Tag:package   object   public    Consumer    double     package com.yuanzijian01;/* *   thread Communication:  when a thread finishes its task, it notifies another thread to complete another task .  Producer and Consumer Wait ():   waiting     If

Thread Status DescriptionThe thread state is defined in the Thread.state enumeration, and the following is taken from the Thread.java sourceNEW:Thread has not startedA thread that has not yet started are in this state.RUNNABLE:Thread can run, but

Interview book --- multithreading and interview book Multithreading50 Java thread interview questions The following are top questions related to Java threads. You can use them to prepare for the interview.1) What is a thread? A thread is the