callable function

Java has several thread-related classes or interfaces, such as Runnable, Callable, Future, and FutureTask. They are also important concepts in Java, let's take a simple example below to learn the differences between them.Runnable Among them,

The reason for the emergence of callable and futureThere are 2 ways to create threads, one is to inherit the thread directly, and the other is to implement the Runnable interface.One drawback to all 2 of these approaches is that you cannot get the

The reason for the emergence of callable and futureThere are 2 ways to create threads, one is to inherit the thread directly, and the other is to implement the Runnable interface.One drawback to all 2 of these approaches is that you cannot get the

First, callable and RunnableLet's talk about Java.lang.Runnable, it's an interface that only declares a run () method in it: Public Interface Runnable { publicabstractvoid run ();}Because the run () method returns a value of type void, No

in the previous article we talked about the 2 ways to create threads, one is to inherit the thread directly, and the other is to implement the Runnable interface. One drawback to all 2 of these approaches is that you cannot get the results of the

Python function-callable (object) Description: checks whether the object is callable. If True is returned, the object may still fail to be called. if False is returned, the object called ojbect will never succeed. Note: The class is callable, and

Python BASICS (21): callable and executable object, 2015 python There are multiple methods to run external programs in Python, such as running operating system commands or other Python scripts, executing files on a disk, or running files through the

Reprint: Http://www.jianshu.com/p/cf12d4244171RunnablePublic interface Runnable {public abstract void run ();　　Runnable's code is very simple, it is an interface and there is only one run (), creating a class to implement it, putting some

English documents:callable(object)Return True If the object argument appears callable, False if not. If this returns true, it's still possible that a call fails and if it is false, calling object would never Succe Ed. Note That classes is callable

Callable (object)英文说明: Check whether object is callable. If return true,object still may fail, but if return false, calling object Ojbect will never succeed.Note : A class or function can be called directly (because the call method is already