Serial GC, MySQL batching, GraalVM update, sequenced collections, services in K8S, open APIs, and K8S 1.25!
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Spring Data JPA – Run an App Without a Database
Learn how to start a Spring Boot application without having a running database when using Spring Data JPA.
Using Transactions for Read-Only Operations
An explanation about transactions and a practical example of different approaches to handle read-only transactions.
How to Store HashMap<String, ArrayList> Inside a List
Learn about storing HashMaps inside a List in Java.
Using Spring Cloud Config Without Git
Learn how to use Spring Cloud Config without git as the data store
Spring Boot vs Quarkus
A practical comparison between Spring Boot and Quarkus, with a focus on performance.
Architecture of a Geospatial Application with Java
A comprehensive introduction to geospatial applications in Java.
Java Weekly, Issue 384
Superior Java records, Kotlin 1.5, code examples in Javadoc, stream collector, Spring Cloud Gateway meets K8S, indexing JSON columns, and COIVD predictions!
Introduction to Debezium
Learn about CDC using Debezium and Java.
Java Weekly, Issue 375
Deserialization events in JFR, more efficient G1, native images, Scala 3, pattern matching for primitives, merge join algorithm, and effective communication.
Structural Patterns in Core Java
Learn how some core libraries in Java have adopted the seven core structural design patterns
Java Weekly, Issue 364
The one with performance: HotSpot JVM intrinsics, AppCDS with jLink, gRPC meets Kotlin, Maven’s speed daemon, JDBC’s statement caching, and Apple’s M1!
Jdbc URL Format for Different Databases
Take a closer look at the JDBC URL formats of several widely used databases: Oracle, MySQL, Microsoft SQL Server, and PostgreSQL
Java Weekly, Issue 356
Tale of legendary duos: Shenandoah and Java 11, Unix sockets and Java 16, TestContainers and JPA, and finally Distributed Tracing and Netflix!
Detecting If a Spring Transaction Is Active
Let’s look at how we can find if a Spring transaction is active.
Background Jobs in Spring with JobRunr
Look into distributed background job scheduling and processing in Java using JobRunr and have it integrate with Spring.
Getting Started with jOOQ
Learn how to configure and create a simple CRUD application using the jOOQ framework.
Extracting Database Metadata Using JDBC
Learn how to retrieve database metadata using a JDBC connection and the DatabaseMetaData interface.
Introduction to Spring Data JDBC
A quick and practical guide to Spring Data JDBC.
Java Weekly, Issue 345
Microsoft continues to contribute to the Java ecosystem with new the OpenJDK for ARM and JMS over AMQP. Also, Patterns to manage distributed systems and finally, working effectively from home!