In Java applications, java.util.Mapis far more than a simple key-value store. Whether you’re managing configuration files, forming API responses, or calculating grouped statistics, working with structured data is essential. At work, I often need to use advanced Map operations. When they fit the need, I apply them. Hence, sharing the learnings in this article. Grouping and Aggregating Data […]
How To Use Advanced Map Operations in Java Read More »
Working with dynamic data in Java is like opening a mystery box. Sometimes everything’s where it should be. Other times? You’re five instanceof checks deep and still getting NullPointerExceptions. If you’ve ever tried to pull data from a Map<String, Object> that contains more maps inside, you’ve probably written something like this: Looks innocent. Breaks easily. Let’s fix that. We’ll build
Navigating Nested Maps in Java Without Losing Your Mind Read More »
The Java Virtual Machine (JVM) is the cornerstone of Java’s “write once, run anywhere” philosophy. It provides a runtime environment that executes Java byte code, handling memory management, so developers can focus on building applications rather than dealing with memory allocation and de-allocation. This article explores the JVM memory structure, illustrates how objects move through
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Spring AOP (Aspect-Oriented Programming) is a module of the Spring Framework that enables you to define code that can be woven into other parts of your application, known as “join points,” to add additional behavior. This can be useful for implementing cross-cutting concerns, such as logging, security, or performance monitoring, which are concerns that are
Explaining Spring AOP In Brief Read More »
We have all been flooded with notifications through multiple apps, whether it’s WhatsApp, Instagram, Reddit, or Snapchat. When there are events that are important, we get notified via the in-app pop-ups, mails, and SMS. Have you ever tried building an alert system whenever you wanted? Well, in this piece, I would try to do the
How To Build An SMS Alert System Using Spring Boot In Java Read More »