Java Resources

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

· 82,728 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

· 56,856 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

· 40,903 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

· 43,046 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

· 26,699 Views · 11 Likes

Pointers in Java

Learn the basics of differentiating references and pointers.

January 19, 2016

by Peter Verhas

CORE

· 25,639 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

· 6,024 Views · 2 Likes

How to Expose a WSDL Service (SOAP) as REST API

Want to learn how to expose a WSDL Service as a REST API? Here's a quick guide to quickly connecting enterprise data sources with a REST API.

January 17, 2016

by Max Katz

· 24,947 Views · 4 Likes

JMS Queue Server and Client Example Based On an ActiveMQ Provider

The basics of messaging services for Java apps, along with a client example based on ActiveMQ.

January 16, 2016

by Tomasz J-ski

· 23,269 Views · 3 Likes

Playing With Spring Boot, Vaadin, and Kotlin

Spring Boot and Vaadin enthusiast, Nicolas Frankel, takes us through building an application in the JVM language Kotlin, using the two frameworks.

January 15, 2016

by Nicolas Fränkel

· 30,018 Views · 9 Likes

The Observer Pattern Using Java 8

Learn about the observer pattern using modern Java: What it is, specializations, common naming conventions, and more!

January 11, 2016

by Justin Albano

CORE

· 138,723 Views · 78 Likes

Leaner Java Collections With FastUtil

Learn more about the pros and cons of FastUtil vs Trove.

January 11, 2016

by Dustin Marx

· 18,589 Views · 12 Likes

Simple Java SOAP Web Service Using JDK Tools

A tutorial on how to use JDK tools to publish and consume a simple SOAP web service.

January 7, 2016

by Hany Ahmed

· 120,188 Views · 36 Likes

Programmatic Websocket Endpoints in Java EE 7

The Java Websocket API is versatile. In this 2-step post, you'll learn how to develop and deploy websocket endpoints.

January 6, 2016

by Abhishek Gupta

CORE

· 16,682 Views · 3 Likes

Dynamic Class Enhancement with CGLib

Popular libraries like Spring use CGLib to dynamically generate classes at runtime. Understanding how it works can help you parse those notorious stack traces when something goes wrong.

January 2, 2016

by Alan Hohn

· 29,684 Views · 9 Likes

Java Garbage Collection Explained [Comic]

Programmers produce garbage just like threads do.

January 1, 2016

by Daniel Stori

CORE

· 37,139 Views · 55 Likes

Getting Started With the JBoss EAP 7 Quick Starts

Check out how to get up and running with JBoss Enterprise Application Platform 7! This comprehensive video will get your going with JBoss EAP 7.

January 1, 2016

by Markus Eisele

· 4,140 Views · 3 Likes

Discovering a Trove of Java Primitives Collection Handling

Learn more about the Trove4j library, which provides high performance collections for Java.

December 31, 2015

by Dustin Marx

· 11,583 Views · 4 Likes

CGLib Proxies and Hibernate Lazy Fetching

Lazy fetching with Hibernate is a common source of exceptions (and confusion). This article delves into CGLib proxies to reveal why lazy loading works the way it does.

December 31, 2015

by Alan Hohn

· 13,614 Views · 6 Likes

Resolve PKIX Path Building Failed in Spring Cloud Server

The problem was that Java was missing the certificate from a specific website, in this case, http://repo.spring.io.

December 29, 2015

by Ravi Isnab

· 24,864 Views · 2 Likes

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