Spark RDD to Task mapping
Understanding how RDD are converted to Task
Understanding how RDD are converted to Task
Java 9 introduces a couple of improvements in CompletableFuture API. Today let’s take a look at new delayedExecutor
static method.
One of the improvements in Java 9 CompletableFuture is the orTimeout
method:
CompletableFuture orTimeout(long timeout, TimeUnit unit)
Diamond operator ‘<>’ was introduced in Java 7 to make instantiation of generic classes easier.
In Java 9 try-with-resources statement has been improved. Now if you already have final or effectively final resource you can use it in try-with-resources statement without need to declare a dummy variable.
Before Java 9 we could have underscore [ _ ] as a one character identifier.
In Java SE 9 interfaces can have private and private static methods.
Understanding the difference between Binary and Text Files
Java 9 enhances the java collections and provides static methods for creating small immutable collection instances.