callable

Android: AsyncTask AsyncTask is an asynchronous task. It processes complex logic in the background without blocking the UI thread and returns the result to the UI thread. Now let's analyze the implementation of AsyncTask. Let's take a look at our

In the previous article we talked about the basic use of asynctask, Asynctask encapsulation, asynctask serial/parallel thread queue, custom thread pool, and how the thread pool was created quickly.Students who don't know the thread pool can look at

Threading OverviewThe operating system supports running multiple tasks at the same time, each of which is a program, and each running program is a process. When a program runs, the internal may contain multiple sequential execution flows, and each

Working principle of AsyncTask in Android In the previous blog "AsyncTask usage in Android", we mentioned that AsyncTask is a combination package for Thread and Handler. This article will explain how AsyncTask works. Source code link

There are three kinds:(1) Inheriting the thread class, overriding the Run functionCreate:[Java] View plain copyclass XX extends thread{public void Run () {Thread.Sleep (1000)//thread sleeps for 1000 milliseconds, sleep causes the thread to enter the

Java uses the thread class to represent threads, and all thread objects must be instances of the thread class or its subclasses. Java can create threads in three ways, as follows:1) Inherit thread class to create threads2) Implement runnable

Java multithreading and Multithreading1. Differences between a thread and a process 1.1 thread and a process A process is an independent space in the memory and can be used to run the current application. The current process schedules all running

Callable and futureJava1.5 Start, Java provides the callable interface, the callable interface provides a call () method as the execution of the thread, but the call () method run () method is more powerful:The call () method can have a return

This article is the fourth in the C++0x series, which is mainly about the new lambda expression, function object and bind mechanism in c++0x. The reason we put these three pieces together is because there is a very close relationship between the

This is the fourth article in the C ++ 0x series. It mainly covers the newly added lambda expressions, function objects, and bind mechanisms in C ++ 0x. The reason for putting these three parts together is that they are closely related. Through

A common thread-creating methods 1-1, Runnable:1-2, Thread:1-3, callable (with Futuretask): 1-4, callable (with thread pool Executorservice and future): 1-5, Anonymous inner class > Inheritance thread 1-6, anonymous inner class > Implementing

One, thread synchronization is the damage to the data that prevents multiple threads from accessing a data object. Second, sync and lock1, the principle of the lockEach object in Java has a built-in lock.When the program runs to a non-static

Java concurrent programming series 15th: Executor framework It is common for Java to use threads to complete asynchronous tasks, and the creation and destruction of threads requires a certain amount of overhead. If each task needs to create a thread,

(1) back_inserter This is an iterator adapter that takes a reference to a container, generates an insert iterator, and when we assign a value through this iterator, the assignment operator calls Push_back to add an element with the given value to

引用：http://blog.csdn.net/suifeng3051/article/details/49443835本篇主要涉及到的是java.util.concurrent包中的ExecutorService。ExecutorService就是Java中对线程池的实现。I. Introduction of ExecutorserviceExecutorservice is an interface defined in Java for the thread pool, which

This article is mainly concerned with the Executorservice in the Java.util.concurrent package. Executorservice is the implementation of the thread pool in Java.I. Introduction of ExecutorserviceExecutorservice is an interface defined in Java for the

1. What is introspection? Introspection is self-evaluation, self-reflection, self-criticism, self-control and self-education. It is a self-moral cultivation method proposed by Confucius. He said: "You can see your inspector and introspection ." (The

In the previous blog, we introduced the design idea and implementation of the future design pattern, and today we'll talk about how to implement the original package using the JDK.The built-in future of the JDK is mainly used in the callable

A two-level scheduling model for executor frameworkIn the model of the hotspot VM, the Java thread is mapped one-to-one to the local operating system thread. When the Java thread starts, a local operating system thread is created, and when the Java

After Java 5, the concurrent thread has undergone a fundamental change. The most important thing is a bunch of new APIs for starting, scheduling, and managing threads. After Java 5, it is better to use Executor to start a Thread than to use Thread