Java Resources

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

· 56,729 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

· 143,710 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

· 20,120 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

· 64,809 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

· 52,897 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

· 13,881 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

· 29,332 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

· 23,679 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

· 31,684 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

· 30,291 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

· 81,782 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

· 56,077 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

· 40,397 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

· 42,424 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

· 25,954 Views · 11 Likes

Pointers in Java

Learn the basics of differentiating references and pointers.

January 19, 2016

by Peter Verhas

CORE

· 24,873 Views · 9 Likes

Grails Goodness: Using Spring Cloud Config Server

Learn more about the Spring Cloud Config server, where you can centrally manage external properties for applications with support for different environments.

January 18, 2016

by Hubert Klein Ikkink

· 5,492 Views · 2 Likes