Learn how to use IdentityHashMap in Java
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Generating a Secure AES Key in Java
Filed under Security
A quick and practical guide to generating a secure AES key in Java.
Java Weekly, Issue 421
Filed under Weekly Review
Revisiting transactional, dynamic, and partial updates, JPA flush modes, Kafka vs Chronicle, and the real cost of attrition!
Get the Name of the Currently Executing Test in JUnit
Filed under Testing
Sometimes we need our unit tests to be able to access the name JUnit has allocated to them. This is especially useful when using name generators or parameterized tests. We look at how to solve this problem in both JUnit 4 and 5.
Convert a Maven Build to Gradle
Learn how to convert a Maven build to a Gradle build.
Find All Jars Containing Given Class
Filed under Core Java
In this article, we’ll learn to find all the jars containing a particular class.
Hidden Classes in Java
Filed under Core Java
A quick and practical guide to Java 15’s Hidden Classes.
An Introduction to InstantSource in Java
Filed under Java Dates
Learn all about the InstantSource interface introduced in Java 17. Understand what problems it addresses, and how to use it.
Java Weekly, Issue 420
Filed under Weekly Review
All about distributed systems: fault tolerant JVM, circuit breaker for RestTemplate, tracing in Spring Boot and replicated log. Also, catching errors in Java and risk of micro-dependencies!