Java Resources

Distributed Java Collections in Redis With Redisson

In this article, we go over an interesting open source database project and how it takes advantage of core principles of the Java language,.

January 2, 2019

by Nikita Koksharov

· 21,763 Views · 4 Likes

Primitives vs Objects in Java

Are there truly any non-null issues when using primitives instead of Objects?

January 2, 2019

by John Vester

CORE

· 148,459 Views · 12 Likes

Unit Testing Using Mockito and PowerMock

We take a look at these two great testing frameworks to see how they can help with a myriad of unit testing use cases.

January 1, 2019

by Murat Derman

· 42,221 Views · 3 Likes

Redis-Based Distributed Java Semaphores With Redisson

We take a look under the hood of this interesting open source database and see how ti uses Java methods to make distributed semaphores possible.

January 1, 2019

by Nikita Koksharov

· 14,995 Views · 5 Likes

Transformer Design Pattern in Java

Learn more about this special design pattern than can fluently transform into any type of object.

January 1, 2019

by Tomasz Linkowski

· 61,819 Views · 76 Likes

How to Use the Spring Config Server

Learn more about how to create remote configurations in your applications.

December 21, 2018

by Jesus J. Puente

· 175,059 Views · 27 Likes

Maven Skipping Tests

In this quick article, we will look into different ways to skip tests in maven applications.

December 21, 2018

by Ramesh Fadatare

· 40,038 Views · 8 Likes

Exception Handling in Java Streams

When you want to use a method that throws a checkedException, you have to do something extra if you want to call it in a lambda.

December 21, 2018

by Brian Vermeer

· 320,734 Views · 118 Likes

Microservices Architecture on the Modern Stack of Java Technologies

In this post, we take a look at microservices architectures based on technologies relevant to the Java world. Read on to get started!

Updated December 20, 2018

by Roman Kudryashov

· 66,976 Views · 42 Likes

How to Remove Key Value Pairs or Entries from HashMap [Snippet]

Let's take a look at how to remove entries from a map in Java, complete with examples.

Updated December 20, 2018

by Ramesh Fadatare

· 84,644 Views · 5 Likes

Speed Up Development with Docker Compose

Create environments that can be quickly deployed on other machines using Docker Compose.

December 20, 2018

by Gunter Rotsaert

CORE

· 21,324 Views · 3 Likes

Java: Aggregate Data Off-Heap

Explore how to create off-heap aggregations with a minimum of garbage collect impact and maximum memory utilization.

December 19, 2018

by Per-Åke Minborg

· 14,316 Views · 7 Likes

Simple Pagination Example With Spring Data and Thymeleaf

Need help with pagination?

December 19, 2018

by Oguzhan Dogan

· 56,547 Views · 3 Likes

Resilience4j and Sentinel: Two Open-Source Alternatives to Netflix Hystrix

We take a look at a few open source alternatives to the now deprecated Hystrix microservices tool.

December 19, 2018

by Leona Zhang

· 20,802 Views · 10 Likes

How to Limit the Number of Concurrent Active User Sessions Using Spring Security

Use Spring Security to limit the number of concurrent user sessions in your Java apps.

December 19, 2018

by Javin Paul

· 37,430 Views · 8 Likes

Java Eclipse Code Refactoring Shortcuts and Tips

Time to get more productive when writing Java code using Eclipse!

December 18, 2018

by Ramesh Fadatare

· 50,193 Views · 23 Likes

How to Use Elasticsearch With a Spring Data Elasticsearch Project

If you're new to Elasticsearch or need a refresher, read on to learn how to integrate this popular open source searching tool into your application.

December 18, 2018

by Rajesh Bhojwani

· 103,990 Views · 6 Likes

Mixins Via Kotlin Delegation

Mixins can be handy in creating more readable, maintainable code.

December 18, 2018

by Steve Gertiser

· 34,372 Views · 7 Likes

Java 8 Streams API: Laziness and Performance Optimization

Learn more about the most important property of Java 8 Streams — laziness.

Updated December 17, 2018

by Amit Phaltankar

· 45,758 Views · 6 Likes

Generic Search in MongoDB With Java

There is no need to put a Service Class for every collection — one method could do that!

December 17, 2018

by Anis Hajri

· 19,109 Views · 2 Likes

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