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Introduction to Transactions in Java and Spring

A quick and practical guide to transactions in Java and Spring.

Event-Driven Data with Apache Druid

A comprehensive guide to Apache Druid.

When Does JPA Set the Primary Key

Learn about the different strategies JPA uses to generate the primary key for an entity and at which moment each strategy sets the key value during persistence.

A Guide to the Hibernate Types Library

Learn how to use HIbernate Types and extend the types set of Hibernate.

Java Weekly, Issue 327

A preview of Kubernetes support coming to Spring Boot 2.3, and a handful of Google Cloud tools to help you build and deploy Spring Boot microservices.

Spring REST API + OAuth2 + Angular (using the Spring Security OAuth legacy stack)

Learn how to set up OAuth2 for a Spring REST API and how to consume that from an Angular client.

Calling Stored Procedures from Spring Data JPA Repositories

Learn how to call stored procedures from Spring Data JPA Repositories

Parsing Command-Line Parameters with Airline

Learn how to parse command-line parameters with Airline

Transaction Propagation and Isolation in Spring @Transactional

Learn about the isolation and propagation settings in Spring’s @Transactional

The State of Java in 2019

Java 8 is still the king, Kotlin is growing like crazy and Spring is almost equivalent to Spring Boot now. The 2019 “State of Java” survey results are out!

Twelve-Factor Methodology in a Spring Boot Microservice

A quick and practical overview of twelve-factor approach when developing Spring Boot microservices.

JHipster Authentication with an External Service

Learn about JHipster’s use of Spring Security and how it simplifies authenticating with an external service.

Spring Security: Exploring JDBC Authentication

Explore the capabilities offered by Spring to perform JDBC Authentication using an existing DataSource configuration.

A Quick Look at R2DBC With Spring Data

Explore R2DBC in its early stage.

Java Weekly, Issue 289

A new explore-the-project option is available on Spring Initializr, and a guide to making Kotlin code easier to read through the use of scope functions.