Future

In computer science, a "Future" is a programming construct used to represent a value that may be available at some point in the future, usually as a result of an asynchronous computation. It acts as a placeholder for a result that is intended to be computed later, allowing a program to continue executing while waiting for that result.The Future object provides methods to check if the computation is complete, to retrieve the result once it is available, and to handle exceptions that may have occurred during the computation. This allows developers to write non-blocking code that can improve efficiency and responsiveness in applications, particularly in scenarios dealing with concurrent operations or I/O-bound tasks.Futures are often used in conjunction with threads, asynchronous frameworks, and reactive programming paradigms, enabling better management of operations that depend on the outcomes of other operations without halting the execution flow. In many programming languages, the Future pattern is a key part of concurrency libraries or frameworks, providing a higher-level abstraction over threads and callbacks.