Formatting a LocalDateTime object
Here’s how to format a LocalDateTime object. If you have any questions, leave a comment or ask me on my social media.
Generating a random number within a specific range
Here’s how to generate a random number within a specific range in Java. If you have any questions, leave a comment or ask me on my social media.
Understanding the Prefix (++i) and Postfix (i++) Operators
There are a couple of operators that simplify how the developer writes code. But some of them aren’t trivial to read.
Two of these are the prefix (++i) and the postfix (i++) operators.
Should You Worry About Performance When Using java.util.Optional?
A few days ago I did a post on LinkedIn talking about the Optional class. One comment was an excellent question: Could the use of Optional lead to performance degradation?
The answer is: Yes, it can. But should you worry?
How to Create a Java Library: From Scratch to Maven Central
If you usually need to rewrite or copy similar code between different projects, it may be time to stop replicating it and create a library.
To use your library in different projects, you have to publish it on a repository like Maven Central Repository.
4 Mistakes That Prevent Your Java APIs From Having More Users
When you have more people using your Java APIs, your projects grow and naturally you become a better engineer. You become more likely to increase your incomes and join great new projects. It also enables people to get their jobs done faster. So it’s a win-win situation.
3 principles to apply in your Java APIs and stay up-to-date with technology
Java Engineers can adopt several strategies to stay up-to-date with technology. One of the most natural ones is developing frameworks and libraries. By doing that, they often find themselves in one of these two situations: If you find yourself in one of those situations, you… Read More »3 principles to apply in your Java APIs and stay up-to-date with technology
Creating Testable Applications with MicroProfile and CDI
In software development, writing test code is just as important as writing the application code itself. An application without tests will quickly turn into a nightmare for the maintainers because every change needed, no matter how harmless it may seem, something may stop working as… Read More »Creating Testable Applications with MicroProfile and CDI
Why Should You Consider Using MicroProfile In Your Microservices?
A Little Bit of History “Write once, run anywhere” was the slogan created by Sun Microsystems in 1995, when the first Java version came out. One thing that allowed this was the creation of specifications for the Java Language and the Java Virtual Machine. With… Read More »Why Should You Consider Using MicroProfile In Your Microservices?
Get Rid of java.lang.NullPointerException with Checker Framework
Checker Framework is a tool that helps us to detect and prevent errors in our applications.It has several checkers that verify our code in search of bugs, and we can also write our compiler plug-ins.One of these checkers is the Nullness Checker, which provides us… Read More »Get Rid of java.lang.NullPointerException with Checker Framework
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