Java Resources

Spring Data: Data Auditing Using JaVers and MongoDB

In this post, we’ll see how to use JaVers in a simple Spring Boot application and MongoDB environment to track changes of entities.

November 16, 2020

by Anicet Eric

· 23,375 Views · 6 Likes

How to Learn Java As Quickly As Possible: Best Practices to Adopt

Students who start to learn Java and other programming languages often wonder if there are any tips and tricks that will quicken the learning process. I am not sure about tricks in terms of studying, but there are a few handy tips to make the process as quick as it is realistically possible.

November 16, 2020

by John Selawsky

· 19,905 Views · 4 Likes

Installing Open JDK 8 on Ubuntu

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

· 15,225 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

· 6,367 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

· 21,878 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

· 13,339 Views · 7 Likes

Deploy Maven Apps to Kubernetes With JKube Kubernetes Maven Plugin

Checkout how Eclipse JKube Kubernetes Maven Plugin makes creation of Docker Images and Deploying to Kubernetes seamless within your old Java workflow.

November 13, 2020

by Rohan Kumar

· 15,040 Views · 4 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

· 8,181 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

· 12,705 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

· 102,408 Views · 11 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

· 11,581 Views · 2 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

· 14,884 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

· 7,474 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

· 7,731 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

· 11,368 Views · 2 Likes

Testing Jedis API Using Junit Test Case in Eclipse IDE

In this article, we will learn how to set up a Junit testing environment for testing Jedis API, which will interact with the Redis database.

November 4, 2020

by Tiruvenkatasamy Baskaran

· 8,152 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

· 11,581 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

· 13,182 Views · 4 Likes

Java vs. Python Comparison: The Battle of Best Programming Language in 2021

A guideline on Java Vs. Python to make informed decision about which programming language to choose for your next product development.

November 2, 2020

by Chandresh Patel

· 11,105 Views · 5 Likes

Research: The Skills You Need to Boost Your Java Career in 2019

What skills do you need as a Java dev in 2019?

Updated November 2, 2020

by Andrew Stetsenko

· 24,081 Views · 32 Likes

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