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When working with Java Persistence API (JPA), querying your data effectively is crucial. While JPQL (Java Persistence Query Language) is the most commonly used method for querying entities, JPA also offers another powerful option - Criteria Queries.

What happens when your application needs to handle a large volume of requests? One of the best solutions is to scale your application horizontally and implement load balancers. But what exactly is a load balancer, how does it work, and why should you use AWS-managed load balancer services? Let me explain it to you in this article.

In this article, we will explore Amazon Route 53, a highly available and scalable Domain Name System (DNS) web service. One of its key functions is routing internet traffic to resources based on domain names, and we will conduct a hands-on tutorial focused on this functionality.

Amazon S3 (Amazon Simple Storage Service) is an object storage service and most commonly used for storing and protecting any amount of data. We can use Amazon S3 for various type of purposes and in this post I will share with you guys basic steps to host a static Angular site on Amazon S3.

When working with the Java programming language, you're likely familiar with using annotations to mark methods or classes. But can we create our own custom annotations and use them in our code? The answer is yes! In this post, I’ll show you how to create a custom annotation for validating phone numbers.