Java Resources

Write JUnit Tests in Spring With Mocked and Real Objects

How to use mocked and non-mocked data to write unit tests using the free and open source JUnit framework.

February 16, 2016

by Saravanan Kandasamy

· 16,575 Views · 7 Likes

CXF SOAP Header Basic Authentication Interceptors Java Without Spring

Here's a great guide to authentication interceptors in Java without using Spring!

February 16, 2016

by Bosco Ferrao

· 16,970 Views · 4 Likes

Traits in Java 8: Semantic, DRY-compliant, Interface-first Code

Learn how you can master the Trait pattern and how it can be realized in Java 8.

February 15, 2016

by Emil Forslund

· 34,347 Views · 11 Likes

Native JavaFX Apps With Automatic Updates: FXLauncher

JavaFX is an awesome UI framework, but there can definitely be deployment issues. The Javapackager tool improves ease of native installer creation. Here's a quick overview of JavaFX applications with auto updates.

February 15, 2016

by Edvin Syse

· 24,104 Views · 7 Likes

NULL is the Worst Mistake in Computer Science

A treatise on why NULL is the bane of most developers' and most languages' existence, and what can be done to fix it.

February 8, 2016

by Paul Draper

· 57,108 Views · 70 Likes

Java Dynamic Proxy: What is a Proxy and How can We Use It

Learn all about Java dynamic proxies: what they are, when to use, how and when to use in code.

February 8, 2016

by Peter Verhas

CORE

· 144,337 Views · 17 Likes

Overview of Java's Escape Analysis

Understand Escape Analysis and write better and more performant Java code today!

February 7, 2016

by Per-Åke Minborg

· 20,286 Views · 7 Likes

CAFEBABE: Java's Magic Word

Java compilers make Java source code into bytecode. Did you know all Java classes start with the word CAFEBABE? Check out this awesome look at the Java magic word.

February 6, 2016

by A N M Bazlur Rahman

CORE

· 65,491 Views · 23 Likes

Exceptions in Java: You're (Probably) Doing It Wrong

You've probably used exceptions in Java, but have you used them properly? Generally, exceptions are for exceptional cases. See whether or not you should use checked exceptions, and when and how to use Java exceptions.

February 4, 2016

by Sam Atkinson

· 53,274 Views · 41 Likes

Creating a New JVM Language, Part 1: The Lexer

First step: generate an abstract syntax tree. First part of the first step: the lexer.

February 4, 2016

by Federico Tomassetti

· 14,054 Views · 9 Likes

Java 8 CompletableFutures Part I

Java 8's debut included a neat concurrency too, the CompletableFuture class. Here's an awesome look at CompletableFutures, with a glance at combining and composing tasks.

February 2, 2016

by Bill Bejeck

· 29,635 Views · 8 Likes

Using Parameter Converters in JAX-RS

Here's how to use parameter converters in JAX-RS, with injection made simple, rules, and exceptional scenarios.

January 29, 2016

by Abhishek Gupta

CORE

· 23,965 Views · 6 Likes

Using Traits in Java 8

In programming, traits have been around in Scala and PHP a while, but are relatively new through default methods in Java. Here's a quick example on how to use traits in Java 8!

January 29, 2016

by Emil Forslund

· 32,002 Views · 10 Likes

A New JavaFX App Framework for Kotlin — TornadoFX

How to use the TornadoFX MVC framework with JetBrains' Kotlin JVM language.

January 28, 2016

by Edvin Syse

· 30,460 Views · 9 Likes

Realm by Example: CRUD on Android in 200 Lines of (Very Readable) Java

Introduction to Realm, a mobile database with an OO-optimized persistence engine.

January 28, 2016

by Roman Kukhar

· 82,093 Views · 15 Likes

Be Lazy With Java 8

One thing almost universal to programmers? We're lazy. Rather we're resourceful, and don't want to do the same thing twice. Here's how to implement the Lazy class.

January 26, 2016

by Per-Åke Minborg

· 56,346 Views · 18 Likes

Spring Cloud With Turbine

Here's how to use Spring Cloud with Turbine, and a look at Netflix Hystrix, which sends real-time metrics, not movies.

January 22, 2016

by Biju Kunjummen

· 40,559 Views · 8 Likes

What Big Data Tools Do Java Developers Use?

A recap from a recent Java survey to determine what kinds of big data tools are popular amongst Java developers.

January 21, 2016

by David Kiss

· 42,612 Views · 24 Likes

The Java Security Manager: Why and How?

You've got questions, we've got answers: Learn more about Java security manager, including how code compiles, if it runs, and what it displays. Then we'll probe the why and how.

January 20, 2016

by Nicolas Fränkel

CORE

· 26,141 Views · 11 Likes

Pointers in Java

Learn the basics of differentiating references and pointers.

January 19, 2016

by Peter Verhas

CORE

· 25,028 Views · 9 Likes

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