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Browse Tag: CompletableFuture

Java 9 CompletableFuture API improvements – delayedExecutor

By
on Apr 16, 2017
in Java, Java Core

Java 9 introduces a couple of improvements in CompletableFuture API. Today let’s take a look at new delayedExecutor static method.

Java 9 CompletableFuture API improvements – orTimeout

By
on Apr 16, 2017
in Java, Java Core

One of the improvements in Java 9 CompletableFuture is the orTimeout method:

CompletableFuture orTimeout(long timeout, TimeUnit unit)

java 8 – CompletableFuture completeExceptionally example

By
on Mar 09, 2017
in Java Core

Let’s see what happens when async calls exception is raised and how we can handle this situation.

Parallel stream and CompletableFuture example

By
on Mar 05, 2017
in Java Core

Let’s see how we can paralellize java application. Suppose we have asked to develop application where given the libraries list we need to calculate the number of books in each library. Suppose calculation is an expensive operation. The first thing that comes to our mind is to do this by streams.