Using a Map for a Hibernate relationship is a bit different than a List. Learn how it’s done.
Here's what I've written (so far):
Learn how to reconfigure the embedded Tomcat server in Spring Boot for some common use cases.
Learn how to configure and how to use the H2 database with Spring Boot.
For when you need to diagnose test failures by examining more detailed log output, here is how to reconfigure the logging in Spring apps at test time.
Store counts of duplicates in a set using Guava Multiset. See how to use this powerful part of the Guava library in single and multi-threaded applications.
Learn about @Embeddable and @Embedded annotations provided by the Java Persistence API (JPA).
A guide to using coroutines and Kotlin Flow to write non-blocking code in an imperative way with the Spring reactive stack.
Learn various ways to read a Kotlin InputStream into a String
Explore different join types supported by JPA.
Spock’s extension mechanism allows you to hook into a spec’s lifecycle to modify its behavior
Learn how to use the Cloud Foundry User Account and Authentication (CF UAA) as an identity management service.
Learn various techniques for making shallow and deep copies of Java’s HashMap
Learn how to install Minikube, setup, and deploy Spring Boot applications to a local Kubernetes environment.
Java 12 has been out of just a few weeks and packing some really cool functionality. We’re looking at the enhanced switch this week – highly useful.
A quick and practical introduction to Spring Cloud Data Flow with Apache Spark.
A quick and practical guide to reversing a binary tree in Java.
Learn several strategies for avoiding the all-too-familiar boilerplate conditional statements to check for null values in Java.
Find out why the compiler will not let you call an instance method too early in a constructor and what you can do to fix it.
Learn how to use the EnvironmentPostProcessor to customize the application’s Environment before application context is refreshed.
Learn about the Business Process Management (BPM) System and its implementation in Java as jBPM System.