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How to Understand Log Levels

More than once, I’ve heard experienced software developers say that there are only two reasons to log: either you log Information or you log an Error. The implication here is that either you want to record something that happened or you want to be able to react to something that went wrong. In this article, we’ll take a closer look at logging and explore the fact that log levels are more than just black or red rows in your main logging system.

Microservices vs APIs: One Doesn't Always Imply the Other

When it comes to conversations around application architecture or working with integrations between applications, you’ve likely heard a couple terms pop up a few times: microservice and APIs. You might also have run across the common misconception that microservices are just a way to implement APIs so they can communicate with each other. As you’ll see in this article, there are alternative ways to architect our microservice applications.

The Complete Guide to Java String Replace

One of the most commonly used functionalities for String objects in Java is String replace. With replace(), you can replace an occurrence of a Character or String literal with another Character or String literal. You might use the String.replace() method in situations like: In Java, keep in mind that String objects are immutable, which means the object cannot be changed once it’s created.