Language Resources

DevOps engineers usually want to install and configure Open JDK 8 on Ubuntu systems. These instructions show how to install Open JDK on Ubuntu.

November 13, 2020

by Orestis Pantazos

· 14,077 Views · 3 Likes

How to Encrypt and Set Permissions for a PDF in Java

Encrypt a PDF document with a password, and set permissions on the PDF. Restrict or allow printing, copying content, document assembly, editing, etc.

November 13, 2020

by Brian O'Neill

CORE

· 5,927 Views · 2 Likes

How to Convert HEIC to JPG in Java

Convert between over 100 file formats, including key formats such as Photoshop (PSD), PNG, JPG, GIF, NEF, and BMP.

November 13, 2020

by Brian O'Neill

CORE

· 19,826 Views · 2 Likes

Cloud-Events Kafka Binding With Spring

Utilize Kafka Protocol Binding for CloudEvents along with Spring-Kafka to easily produce and consume events in a common format.

November 13, 2020

by Will Kennedy

· 12,200 Views · 7 Likes

DataWeave Logging — Print Logs From DataWeave2.0

This article is about printing the logs directly in the output console(after deployment) without using an additional logger component.

Updated November 13, 2020

by Nitish Jain

· 18,095 Views · 5 Likes

6 of the Best API Testing Tools in the Market

In this article, see six of the best API testing tools available on the market, including Katalon Studio, Postman, SoapUI, and more.

November 11, 2020

by Shormistha Chatterjee

CORE

· 7,114 Views · 6 Likes

Spring Boot - Unit Test your project architecture with ArchUnit

Impose guidelines as verifiable JUnit tests using ArchUnit. It guarantees that a software version will be discontinued if an architectural violation is introduced.

November 10, 2020

by Anicet Eric

· 11,068 Views · 6 Likes

How HashMap Works Internally in Java

Take a look at this article that explains how Hashmap works in Java, including how it calculates the index of a bucket and how other internals work.

Updated November 6, 2020

by Shubham Bansal

· 101,017 Views · 11 Likes

Effective Team Communication Tips for Agile Professionals in 2020

What is team communication? and how can you improve it? Here’s what agile professionals often overlook when they are actively engaged in project management.

November 5, 2020

by Fred Wilson

· 6,630 Views · 2 Likes

Enhanced DynamoDB Client — Java Abstraction Code

I have created a Helper code, which takes a java object and seamlessly executes the transaction onto DynamoDb.

November 5, 2020

by Gaurav Gupta

· 10,672 Views · 2 Likes

TypeScript Testing Tips - Creating Dummies

We show a simple TypeScript pattern for building unit test dummies. We focus on simplicity so tests emphasize what's important and avoid incidental details.

November 5, 2020

by Eoin Mullan

· 10,370 Views · 3 Likes

Memento Design Pattern In Java

Another behavioral design pattern called the Memento Design Pattern which is used to restore the state of an object to a previous state.

Updated November 5, 2020

by Brijesh Saxena

CORE

· 14,137 Views · 8 Likes

Cartoonize Your Image With Java and OpenCV

We will learn using OpenCV and Java. OpenCV is a very popular framework developed using C++ and got bindings for Python, Java, R languages, etc.

Updated November 5, 2020

by Unni Mana

· 6,829 Views · 2 Likes

Change Data Capture From PostgreSQL to Azure Data Explorer Using Kafka Connect

In this article, look at change data capture from PostgreSQL to Azure Data Explorer using Kafka Connect.

November 4, 2020

by Abhishek Gupta

CORE

· 7,281 Views · 4 Likes

Introducing MapNeat, a JVM JSON Transformation Library

Given Kotlin's high interoperability with most of the JVM languages, MapNeat is easy to use in any Java project without any particular hassle.

November 4, 2020

by Andrei Ciobanu

· 10,453 Views · 2 Likes

Micronaut With Relation Database and...Tests

This article is a Micronauts HTTP server with a relation database persistence layer. We created this focussing on the tests at the controller layer.

November 4, 2020

by Manel Naspreda

· 10,429 Views · 4 Likes

Ports and Adapters Architecture with Kafka, Avro, and Spring-Boot

In this post, we will be implementing a Kafka Producer and Consumer using the Ports and Adapters (a.k.a. Hexagonal) architecture in a multi-module Maven project.

November 3, 2020

by Purnima Jain

· 11,638 Views · 4 Likes