more and more
How to Get All Dates Between Two Dates? 1. Overview The new Time API introduced in Java 8 made it possible to process date and time without using external libraries. In this short tutorial, we will take a look at how getting all dates between two dates become easier over… Continue Reading java-between-dates
getdocs
Guide to the “when\{}” Block in Kotlin 1. Introduction This tutorial introduces the when\{} block in Kotlin language and demonstrates the various ways that it can be used. To understand the material in this article, basic knowledge of the Kotlin language is needed. You can have a look at the… Continue Reading kotlin-when
getdocs
A Quick Look at R2DBC with Spring Data 1. Introduction R2DBC (Reactive Relational Database Connectivity) is an effort presented by Pivotal during Spring One Platform 2018. It intends to create a reactive API to SQL databases. In other words, this effort creates a database connection using fully non-blocking drivers. In… Continue Reading spring-data-r2dbc
getdocs
Java Weekly, Issue 296 Here we go… 1. Spring and Java ===== >> Why Clojure? [blog.cleancoder.com] With minimal syntax and grammar, Clojure is essentially a Lisp variant for the Java ecosystem. And a personal favorite. >> HttpClient Executors [javaspecialists.eu] Now that HttpClient is out of incubator stage in Java 11,… Continue Reading java-weekly-296
getdocs
Deprecated Classes in Spring 1. Introduction In this tutorial, we’re going to take a look at the deprecated classes in Spring and Spring Boot and explain what these have been replaced with. We’ll explore classes starting from Spring 4 and Spring Boot 1.4. 2. Deprecated Classes in Spring For easier reading, we… Continue Reading spring-deprecated-classes
getdocs
Spring Boot With H2 Database 1. Overview In this tutorial, we’ll explore using H2 with Spring Boot. Just like other databases, there’s full intrinsic support for it in the Spring Boot ecosystem. Further reading: List of In-Memory Databases A quick review of how to configure some of the more popular… Continue Reading spring-boot-h2-database
getdocs
Java Web Weekly, Issue 121 At the very beginning of last year, I decided to track my reading habits and share the best stuff here, on Baeldung. Haven’t missed a review since. Here we go… 1. Spring and Java ===== >> Understanding Reactive types [spring.io] Even more insight into reactive… Continue Reading java-web-weekly-121
getdocs
Testing with Hamcrest 1. Overview Hamcrest is the well-known framework used for unit testing in the Java ecosystem. It’s bundled in JUnit and simply put, it uses existing predicates – called matcher classes – for making assertions. In this tutorial, we will explore the Hamcrest API and learn how to… Continue Reading java-junit-hamcrest-guide
getdocs
Java EE vs J2EE vs Jakarta EE 1. Introduction Ever heard of Java EE? How about Java 2EE, J2EE, or now Jakarta EE? Actually, these are all different names for the same thing: a set of enterprise specifications that extend Java SE. In this short article, we’ll describe the evolution of Java… Continue Reading java-enterprise-evolution
getdocs
JWS + JWK in a Spring Security OAuth2 Application 1. Overview In this tutorial, we’ll learn about JSON Web Signature (JWS), and how it can be implemented using the JSON Web Key (JWK) specification on applications configured with Spring Security OAuth2. We should keep in mind that even though Spring… Continue Reading spring-security-oauth2-jws-jwk
getdocs