Java Resources

Running MongoDB Aggregations on Secondaries

Shifting aggregation to a secondary, such as with batch operations, can save your primaries for more pressing, time-sensitive matters.

January 1, 2017

by Vaibhaw Pandey

· 10,329 Views · 2 Likes

Marshalling and Unmarshalling in JAXB 2.0

Take a look at how to marshal and unmarshal your Java objects and XML data with JAXB 2.0, a useful tool for generating XML schemas from Java code and vice-versa.

December 30, 2016

by Abhishek Giri

· 225,295 Views · 11 Likes

A Functional Approach to Given When Then Using Java 8

A couple of months ago, while working on a new project, I started to look for an easy way to have this Given-When-Then separation in my tests.

Updated December 29, 2016

by Gabriel Deliu

· 31,263 Views · 19 Likes

Single vs. Multiple Filters in the Java Stream API

It might be tempting to run multiple filters in your streams, but be careful—it might come with a cost. Use your filters judiciously.

December 29, 2016

by A N M Bazlur Rahman

CORE

· 114,810 Views · 6 Likes

Send, read Emails and Appointments From MS Exchange [using Java]

This code will help you connect your app to MS Exchange using the EWS Java API. In its current form, the snippet fetches emails and appointments and can be broadened.

December 27, 2016

by Shantanu Sikdar

· 66,268 Views · 6 Likes

How to Resolve the ''ActiveMQConnectionFactory Class Not Found'' Exception

This error means that your Mule application is looking for activemq supporting classes in your project and it is not finding any.

December 26, 2016

by Akkiraju Ivaturi

· 25,229 Views · 3 Likes

Packaging Spring Boot Apps With External Dependencies Using Maven

Incorporate external dependencies for your Spring Boot app with a helping hand from Maven. You can package everything together, making it attractive for microservices.

December 23, 2016

by Harshith Bhaskar

· 184,352 Views · 14 Likes

Is Standard Java Logging Dead?

Does JUL still have a place in the ecosystem? See how a variety of third-party logging tools stack up against Java's built-in logging power.

December 23, 2016

by Alex Zhitnitsky

· 19,025 Views · 10 Likes

JDK 9: An Introduction to StackWalker

StackWalker is an API for stack walking that allows easy filtering of, and lazy access to, the information in stack traces.

December 22, 2016

by Hemambara Vamsi Kotari

· 24,225 Views · 24 Likes

We Don't Need StringBuilder for Simple Concatenation

Concatenating strings is useful, but expensive. Fortunately, you don't need to use StringBuilder anymore - the compiler can handle it for you.

December 22, 2016

by A N M Bazlur Rahman

CORE

· 195,635 Views · 44 Likes

What Is Node.js for Java Developers?

Node.js is growing in popularity, but how exactly does it work? This guide breaks down the terminology into Java-friendly terms for easy understanding.

December 22, 2016

by Ratha KM

· 81,988 Views · 57 Likes

Being Wary Does Not Hurt Java

Being careful is not the same as being hurtful to the larger community. With Oracle's licensing audits still fresh in mind, it's important to stay alert.

December 21, 2016

by Markus Eisele

· 13,935 Views · 19 Likes

A Look at ScheduledService [Code Snippets]

ScheduledService lets you execute the same task a regular intervals and can even restart itself in the event of a failure, making it a good tool to have in the box.

December 20, 2016

by Arun Pandey

CORE

· 39,800 Views · 8 Likes

How to Convert Maven to Gradle and Vice Versa

Converting Maven to Gradle only takes one step, and converting Gradle back to Maven isn't much more difficult.

December 18, 2016

by A N M Bazlur Rahman

CORE

· 213,201 Views · 18 Likes

JSON-B: A Java API for JSON Binding

When JSON-B and JSON-P are combined, all of the tools are put in place to process and work with the JSON data format in Java.

December 14, 2016

by Sam Sepassi

· 22,650 Views · 6 Likes

Deploying Microservices: Spring Cloud vs. Kubernetes

When it comes to deploying microservices, which is better — Spring Cloud or Kubernetes? The answer is both, but they shine in different ways.

December 13, 2016

by Bilgin Ibryam

· 194,356 Views · 104 Likes

About the Java 8 Stream API Bug

The Java Stream API wasn't working the way it was supposed to. There is a fix, but it's interesting to see what exactly went wrong.

December 12, 2016

by A N M Bazlur Rahman

CORE

· 16,505 Views · 17 Likes

How to Use Asynchronous Timeouts in the Java Websocket API

In this post we take a look at how to deal with timeouts when using the Java WebSocket API. Read on to find out how and for some example code.

December 10, 2016

by Abhishek Gupta

CORE

· 11,930 Views · 4 Likes

Improving Alerts With Reverse AJAX (Part 2)

Implementing Reverse AJAX can keep users updated with the latest data without adding an unnecessary load to the server.

December 9, 2016

by Sulthony H

· 7,696 Views · 2 Likes

Declarative Programming With Speedment 3.0

Learn more on the fundamentals of declarative programming in this in-depth article on the concept and see how Speedment implements declarative programming in practice.

December 9, 2016

by Dan Lawesson

· 10,915 Views · 8 Likes

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