Java Resources

Microservice: Async Rest Client to DynamoDB using Spring Boot

In this post, I will be exploring using asynchronous DynamoDB API and Spring Webflux by building a simple reactive REST application.

April 2, 2020

by Yegor Bondarenko

· 13,764 Views · 6 Likes

Hexagonal Architecture in Java

In this article we discuss the benefits of hexagonal architecture and how to implement it with a simple example in Java.

April 1, 2020

by Ravi Sharma

· 21,859 Views · 19 Likes

Distributed and Guaranteed Executor Service

An overview.

Updated April 1, 2020

by Arun Lingala

· 8,901 Views · 6 Likes

How to Publish Docker Images on Private Nexus Repository Using Jib Maven Plugin

In this article, see how to publish Docker images on a private Nexus repository using Jib Maven plugin.

March 31, 2020

by Awkash Agrawal

· 10,336 Views · 3 Likes

Clean Unit Testing

In this article, I outline several tips that aim to improve the readability, maintainability and the quality of your unit tests.

Updated March 30, 2020

by Alex Staveley

· 15,656 Views · 15 Likes

How to Empty Cache memoryIdempotentRepository in Apache Camel (DSL Java)

In this article, we provide a brief tutorial on how to clear the cache memoryIdempotentRepository in an Apache Camel application.

Updated March 27, 2020

by Anna Star

· 9,482 Views · 3 Likes

Deep Dive Into Apache Flink's TumblingWindow — Part 2

In this post, I am going to provide examples of overriding these TumblingWindow defaults and handling late values.

Updated March 27, 2020

by Preetdeep Kumar

· 15,377 Views · 7 Likes

Spring2quarkus — Spring Boot to Quarkus Migration

Find out how!

Updated March 25, 2020

by Triphon Penakov

· 30,880 Views · 12 Likes

Securing Web Apps Using PKCE With Spring Boot

Dive into securing your web apps with OAuth 2.0 and OpenID Connect using PKCE, Okta, and Spring Boot.

March 25, 2020

by Micah Silverman

· 19,644 Views · 5 Likes

7 JVM Arguments of Highly Effective Applications

In this article, we discuss how to use 7 JVM arguments to help increase your application's performance and avoid common memory pitfalls.

March 25, 2020

by Ram Lakshmanan

CORE

· 53,458 Views · 43 Likes

How to Unit Test Classes Which Create New Objects

A simple method to write test cases for classes that use new keywords in their method with the help of Mockito and minimum code changes.

Updated March 25, 2020

by Shivam Mohan

· 116,914 Views · 4 Likes

Deep Dive Into Apache Flink's TumblingWindow — Part 3

In this article, see how to use allowedLateness to handle late elements that arrive after a watermark is generated for the current window and more.

March 24, 2020

by Preetdeep Kumar

· 13,975 Views · 3 Likes

Securing Legacy Apps With OAuth 2.0 and Spring Cloud Gateway

Dive into legacy app security. This tutorial will show you how to keep your apps safe with OAuth 2.0 and Spring Cloud Gateway.

March 23, 2020

by Brian Demers

· 12,669 Views · 4 Likes

How to Implement Fuzzy Search (Google's Autocomplete Search) in Java

In this article, we discuss how to implement Fuzzy Search (Google's autocomplete search) in Java to handle potential spelling mistakes from users.

March 23, 2020

by Dmitry Egorov

CORE

· 29,381 Views · 9 Likes

How to Install and Configure Apache2

In this article, we will see how to install and configure Apache2 web server in Ubuntu 16.04.

March 20, 2020

by Ram Lakshmanan

CORE

· 31,573 Views · 5 Likes

Getting Started With OpenEBS and Cloud-Native Distributed SQL

In this article, take a look at how to get started with OpenEBS and cloud-native distributed SQL.

March 19, 2020

by Jimmy Guerrero

· 16,169 Views · 4 Likes

Get to Know JSF: An Easy and Straightforward a Jakarta Framework

In this article, we discuss how and why we should use Java Server Faces (JSF) to move an application to the cloud.

March 19, 2020

by Otavio Santana

CORE

· 32,180 Views · 15 Likes

Java: It’s Time to Move Your Application to Java 11

In this article, we discuss the need for current Java 8 users to begin migrating to Java 11 and provide an easy solution for migration.

March 19, 2020

by Otavio Santana

CORE

· 19,023 Views · 7 Likes

Build Chatbots with Dialogflow - Step By Step Guidelines

This tutorial provides a detailed guide of how to set up create tracks and integrations for chatbots with Google's Dialogflow Agent application.

March 18, 2020

by Rahul Panchal

· 16,108 Views · 6 Likes

Lock Striping in Java

Take a look at this implementation of lock striping in Java after examining the effects of a sequential bottleneck in concurrent requests.

March 18, 2020

by Ali Dehghani

· 10,466 Views · 6 Likes

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