OCM is the highest level of Java Certification offered by Oracle. It's aimed at professionals responsible for modeling and architecting Java EE applications with several nonfunctional requirements (NFR), such as security, scalability, maintainability, reliability and availability. For this certification, Oracle expects that Java architects have solid knowledge of the Java EE stack and choose the most suitable technologies when addressing real life problems.
If you have ever had to start on a new team, you know the feeling of finding yourself a bit lost amidst dozens of tutorials and all the documentation required to set up your development environment. Odds are, you may have even skipped a step or two and found yourself in a mess. Even if not, there's a good chance the guide is at least somewhat outdated, or doesn't cover your exact scenario. Either way, there's bound to be some misunderstanding.
Artificial Intelligence and its branches such as machine learning quickly gaining in popularity with both users and developers alike. While there is no single recipe to creating the next greatest app that everyone will use, but I can guarantee that one of the ingredients in the usage of thoughtfully incorporated AI.
Working as a programmer you will probably always face doubts about the performance of your applications. Proving that the application you have developed is reliable and has good performance and good memory usage is never an easy task. We do have several tools available from different vendors to help us accomplish this, but the problem is that those tools are never free and they often impact the performance of the application being tested, generating results that are unreliable or downright false.