define callable

Callable and future The callable interface defines a call method that can act as the executing body of a thread, but the call method is more powerful than the Run method: A, call method can have return valueB, the call method can declare an

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

Introduction of callable and future callable and The future two feature is Java in subsequent versions in order to adapt to multi-method to join, callable is similar to runnable interface, Classes that implement callable interfaces and

Callable, Future, and FutureTask In Java, besides the Runnable interface, there are also Callable interfaces.The difference between the two is that the latter can return values, which are generally used for time-consuming computing.The Runnable

http://blog.csdn.net/pipisorry/article/details/44341579IntroductionThe callable interface represents a section of code that can invoke and return results;The future interface represents an asynchronous task. Is the future outcome of the task that

The callable interface represents a piece of code that can invoke and return the result; The future interface represents the asynchronous task, which is the future result of a task that has not yet been completed. So callable is used to produce

Python built-in functions (9) -- callable, pythoncallable English document: callable(Object) ReturnTrueIfObjectArgument appears callable,FalseIf not. If this returns true, it is still possible that a call fails, but if it is false, callingObjectWill

http://blog.csdn.net/pipisorry/article/details/44341579IntroductionThe callable interface represents a piece of code that can be called and returns the result;The future interface represents an asynchronous task, which is the result of a task that

Java uses the thread class to represent threads, and all field objects must be instances of the thread class or its subclasses. The role of each thread is to accomplish a certain task, in effect, to execute a program flow. Java uses the thread