Learn several ways how to configure multiple data modules in your Spring Application.
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Machine Learning with Spark MLlib
A quick and practical introduction to Machine Learning with Spark MLlib.
Implementing the Oauth 2.0 Authorization Framework Using Jakarta EE
This article shows an example of implementing the OAuth2 Authorization Framework using Java EE and MicroProfile.
A Guide to SirixDB
Learn how to use the low-level transactional cursor API to manage JSON databases and resources in SirixDB.
Introduction to Morphia – Java ODM for MongoDB
A quick and practical overview of Morphia – a Java ODM for MongoDB.
Guide to MapDB
Learn about MapDB, a lightweight persistence library which provides collection APIs to store and retrieve data.
The Difference Between Collection.stream().forEach() and Collection.forEach()
A quick and practical overview of the difference between Collection.stream().forEach() and Collection.forEach().
How to Break from Java Stream forEach
Java Streams are often a good replacement for loops. Where loops provide the break keyword, we have do something a little different to stop a Stream.
Google AutoService
Learn how to use Google’s AutoService to generate Java Service Provider Interface (SPI) configuration files
Converting Iterable to Collection in Java
Learn how to convert an Iterable to a Collection with a core Java solution or other libraries
Spring Session with MongoDB
Learn how to manage Spring Sessions with MongoDB.
Java Localization – Formatting Messages
Learn how to localize and format the messages in Java language.
Create a Java Command Line Program with Picocli
Learn how to use Picocli to easily create command line programs in Java.
Guide to Stream.reduce()
Learn the key concepts of the Stream.reduce() operation in Java and how to use it to process sequential and parallel streams.
A Solid Guide to SOLID Principles
A quick and practical introduction to SOLID with examples.
Introduction to Clojure
A comprehensive introduction to Clojure programming language.
Configuring a DataSource Programmatically in Spring Boot
Learn how to configure a Spring Boot DataSource programmatically, thereby side-stepping Spring Boot’s automatic DataSource configuration algorithm.
Guide to JUnit 5 Parameterized Tests
Learn how to simplify test coverage in JUnit 5 with parameterized tests
Summing Numbers with Java Streams
A quick and practical guide to summing numbers with Java Stream API.
Building a Data Pipeline with Kafka, Spark Streaming and Cassandra
A quick overview of a streaming pipeline build with Kafka, Spark, and Cassandra.
