There are pretty many technologies listed in the title of this article. Spring WebFlux has been introduced with Spring 5 and Spring Boot 2 as a project for building reactive-stack…
Piotr's TechBlog
Java, Spring, Kotlin, microservices, Kubernetes, containers
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5 Things You Will Like in Kotlin as a Java Developer
In this article I’m going to compare a few selected features: Kotlin vs Java. Kotlin language is gaining more and more popularity recently. It is widely used no longer just…
Introduction to Blockchain with Java using Ethereum, web3j and Spring Boot
Blockchain is one of the buzzwords in the IT world during some last months. This term is related to cryptocurrencies, and was created together with Bitcoins. It is decentralized, immutable…
Up-to-date cache with EclipseLink and Oracle
One of the most useful feature provided by ORM libraries is a second-level cache, usually called L2. L2 object cache reduces database access for entities and their relationships. It is…
Code Quality with SonarQube
Source code quality with SonarQube analysis is an essential part of the Continuous Integration process. Together with automated tests, it is the key element of delivering reliable software without any…
Generating large PDF files using JasperReports
During the last 'Code Europe' conference in Warsaw appeared many topics related to microservices architecture. Several times I heard the conclusion that the best candidate for separation from the monolith…
Apache Karaf Microservices
Apache Karaf is a small OSGi based runtime which provides a lightweight container onto which various components and applications can be deployed. It can be run as a standalone container.…