Quick intro to working with Strings with the Apache Commons library and StringUtils.
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A Guide to ConcurrentMap
A quick and practical guide to ConcurrentMap in Java.
Memory Management in Java Interview Questions (+Answers)
A set of popular Memory Management-related interview questions and of course answers.
Concurrency with LMAX Disruptor – An Introduction
A quick introduction to LMAS Disruptor and the usage of Disruptor API
Deleting Objects with Hibernate
Quick guide to deleting an entity in Hibernate.
Java Collections Interview Questions
A set of practical Collections-related Java interview questions
Database Migrations with Flyway
This article describes key concepts of Flyway and how we can use this framework to continuously remodel our application’s database schema reliably and easily.
Guide to Spring Data REST Validators
Quick and practical guide to Spring Data REST Validators
Hibernate Second-Level Cache
A guide to the Hibernate second-level cache and how to use it in practice.
JPA Criteria Queries
Quick and practical guide to using Criteria Queries mechanism in Hibernate
Java Web Weekly, Issue 137
A relaxed week after SpringOne, but still chock full of goodness with the new plans for Spring 5, a solid analysis of the code of reflection among other things.
Intro to the Jackson ObjectMapper
The article discusses Jackson’s central ObjectMapper class, basic serialization and deserialization as well as configuring the two processes.
Supercharge Java Authentication with JSON Web Tokens (JWTs)
A comprehensive, super detailed guide on getting JSON Web Tokens right with JWTs.
A Guide to Spring in Eclipse STS
A quick guide to working with Spring using the Eclipse Spring Tool Suite (STS) IDE.
Hibernate: save, persist, update, merge, saveOrUpdate
A quick and practical guide to Hibernate write methods: save, persist, update, merge, saveOrUpdate.
JMockit 101
A simple and practical guide to testing and mocking with JMockit.
Migrating to the New Java 8 Date Time API
A quick and practical guide on transitioning to Java 8’s new DateTime API.
Spring REST API with Protocol Buffers
A quick and practical introduction to using Protocol Buffers with Spring REST APIs.
Introduction to Project Lombok
A comprehensive and very practical introduction to many useful usecases of Project Lombok on standard Java code.
Introduction to WireMock
A quick and practical guide to stubbing REST APIs with WireMock.