Apache Flink helps build big data in a efficient and scalable way. Learn how to use it to read data from a file, transform it to uppercase, and write it to another file.
See how Future and ExecutorService work independently and how they can be combined to solve issues with intense calculations, background tasks, and more.
EJBs can be a little confusing if you don't know the ins and outs with a certain degree of clarity. Let's take a closer look at them with the help of some examples.