Overview of all Java versions
Do you need a quick overview of all Java versions? Please check out the friendly and helpful Java Versions Cheat Sheet! It is developed and actively maintained by me.
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Spring Boot: integration of JSON binding libraries
Byandbin
Spring Boot directly supports three well-known JSON binding libraries: Jackson, Gson, and JSON-B (note that the latter is, more precisely, a specification). JSON binding is typically used in REST web services, but you can use it in several other contexts. In this article, I will explain how to integrate these libraries in Spring Boot (mainly…
Spring Boot: configuring the Actuator “info” endpoint
Byandbin
Actuator is a software module you can add to any Spring Boot project to expose many features for monitoring and managing the application. This article describes how to use and configure one of the essential features of Actuator, the “info” endpoint.
Two cases of wrong inheritance usage
Byandbin
Inheritance and correlated polymorphism are among the most important concepts in OOP languages like Java, Kotlin, C#, and others. In this article, I will explain two typical cases of wrong inheritance usage that anyone should not imitate.
Why some collections cannot be heterogeneous
Byandbin
In this relatively short article, I will discuss an intriguing and noteworthy topic about collections in Java: why some standard Java collections cannot be heterogeneous. In other words, why they cannot contain objects of different types.
Spring Boot: custom “info” contributors for Actuator
Byandbin
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The “var” syntax for local variables since Java 10
Byandbin
Java 10, released on March 2018, has introduced the new “var” syntax. This small but helpful feature allows you to declare local variables using the word “var” instead of specifying the variable type. This article is focused on describing all the essential rules about this new feature clearly and concisely.