Tag: nicolaip

How to use Lombok to reduce Java boilerplate in logging, null checks, variable definitions, concurrent code, exception handling, laziness, and more.

Threads are Java's basic abstraction for running code in parallel. Learn how to use the Thread class to launch, finish, and wait for threads.

Java is known as a strict language regarding references and method arguments. It's however possible (and very useful) to implement laziness in types.

Read Java Module System Hands-On Guide and learn with SitePoint. Our web development and design tutorials, courses, and books will teach you HTML, CSS, JavaScript, PHP, Python, and more.

Java's switch statement allows easy selection of execution paths based on a variable's value. Switches can replace if-else-if chains.

A tutorial on how to use Contexts and Dependency Injection (CDI) / Weld and Hibernate in the development of a full-blown JPA application.

Lombok is a library that helps to reduce Java's verbosity. This tutorial presents how to use it to write clearer POJO classes.

Learning property based testing, or property checking, in Java using Vavr (formerly Javaslang) and the FizzBuzz Kata.

Using Java agents and the dynamic attach and instrumentation APIs it is possible to fix bugs in running Java programs.

10 recommendations for Java blogs you should follow in 2017. All of them provide high-quality content that will improve your understanding of Java and the frameworks you use on a daily basis.

A tutorial on how to use Contexts and Dependency Injection (CDI) and Weld in Java SE, covering core features like annotations, qualifiers, and producers.

Dropwizard is a framework for building RESTful web services in Java. This tutorial shows how to create, retrieve, update, and delete resources.

Reflection wants to break into all code; encapsulation wants to give modules a safe space. How can this stand off in the Java module system be resolved?

A run-through of some common perceptions of Java, from someone who doesn't regularly work with it. Is it really that abstract and wordy?

The history of the Groovy programming language including technical features and aspects of its governance and community that have made it successful.

The Java Community Process (JCP) governs Java's future. Simon Ritter explains it and how the EC, EGs, JSRs, JEPs, the JSPA, FoU, RI, and TCK/JCK interact.

A run-through of some common perceptions of Java, from someone who doesn't regularly work with it. Is it really that slow and bloated?

Java's future is full of cool advances: data classes, value types, generics over primitives, pattern matching, etc. Let's peek into Java's future!

A case study of how separate processes sharing the same Java Virtual Machine can impact garbage collection and thus each other.

Java 9 has a lot to offer besides modularity: new language features and a lot of new or improved APIs, GNU-style command options, multi-release JARs, improved logging, and more.

Java 9 brings more than just modules: multi-release JARs, UTF-8 property files, Unicode 8.0, reserved stack space ... a lot goes on inside Java 9.

A hands-on guide to domain model validation with the Java Beans Validation standard (JSR 303) and Hibernate Validator (Apache BVal is very similar.)

Explains how to use Spring Boot with JDBI instead of Hibernate, resulting first-class dependency injection (by Spring Boot) and a light ORM (JDBI).

Summarizing where JUnit 5 is currently standing, discussing everything from API, extension model, and architecture to history, tool support, and open issues

Dropwizard is a framework for building RESTful web services in Java. In this tutorial we're going to create a new Dropwizard service from scratch.

This tutorial builds a simple Java web application with Java's Servlet API. It shows how to set the project up, create views / controllers, and deploy.

A summary of the best JavaOne 2016 talks that discussed Java 8, Java 9 and Project Jigsaw, as well as Java EE 8.

Exploring the limitations of Hibernate's schema generation utility hbm2ddl and the benefits of an automated schema migration tool such as FlywayDB.

Java's Optional, unlike may-or-may-not-contain-a-value types in other languages, is no well-behaving monad. And this matters to everyday developers like us!

The Combinator Pattern, well known in FP, combines primitives into complex structures. Gregor Trefs explores an implementation in Java 8.