Java Resources

In this article, you will learn what is inorder traversal algorithm and how you can use it to print nodes of binary tree in sorted order in Java.

October 5, 2020

by Javin Paul

· 11,493 Views · 3 Likes

How to Convert XLSX to CSV in Java

Convert any Excel document to CSV with support for both XLSX and XLSB file formats, as well as legacy formats such as XLS.

October 5, 2020

by Brian O'Neill

CORE

· 13,261 Views · 3 Likes

How to Merge PDFs in Java

Combine two or more PDF files (pdf) into a single PDF document, preserving the order of the input documents in the combined document

October 5, 2020

by Brian O'Neill

CORE

· 4,706 Views · 2 Likes

Write a Kafka Producer Using Twitter Stream

With the newly open sourced Twitter HBC, a Java HTTP library for consuming Twitter’s Streaming API, we can easily create a Kafka twitter stream producer.

Updated October 5, 2020

by Saurabh Chhajed

· 39,358 Views · 13 Likes

Building an Amazon-Like Recommendation Engine Using Slash GraphQL

Get started using Dgraph's Slash GraphQL product and connect to a Spring Boot application which will act as a simple RESTful recommendation service

October 5, 2020

by John Vester

CORE

· 113,087 Views · 12 Likes

Protecting Your Domain-Driven Design from Anemia

What do Monopoly and domain-driven software development have in common? Check out the answer and 4 ways to keep your domain encapsulated and avoiding anemia.

October 2, 2020

by Stuart Meikle

· 11,372 Views · 11 Likes

Implementing a Web Chat With AI in Java

This article shows step by step how to implement a web chatbot using Java. Go through the steps of creating a new project and seeing the results!

Updated October 1, 2020

by Alejandro Duarte

CORE

· 40,733 Views · 11 Likes

Dynamic Schedulers and Custom Cross-Server Schedule Lock

In this article, we gonna look into TaskScheduler and configure schedulers dynamically based on the database values.

October 1, 2020

by Venkatesh Rajendran

· 5,825 Views · 3 Likes

Recycle Threads and Save Resources

Before we begin to talk about thread pool, let revisit threads. Threads are really powerful things. By creating multiple threads, multithreading, you can do ...

October 1, 2020

by Imran Shaikh

· 5,678 Views · 2 Likes

Bootstrapping Java Kubernetes Apps With Spring Initializr and K8s Initializer

Build a Spring Boot app and deploy to K8s without writing a single line of YAML

September 30, 2020

by Daniel Bryant

· 6,562 Views · 7 Likes

Considerations on Updating Enterprise Java Projects From Java 8 to 11

A general update from Java 8 to Java 11 is not easy, but also is not impossible.

September 30, 2020

by Víctor Orozco

· 4,885 Views · 3 Likes

Importing a Maven Project in IntelliJ IDEA

Click here to learn more about importing a Maven project in IntelliJ IDEA.

Updated September 29, 2020

by Alejandro Duarte

CORE

· 52,391 Views · 8 Likes

Data Ingestion Into Azure Data Explorer Using Kafka Connect

In this blog, we will go over how to ingest data into Azure Data Explorer using the open-source Kafka Connect Sink connector for Azure Data Explorer.

September 28, 2020

by Abhishek Gupta

CORE

· 3,299 Views · 4 Likes

How to Convert a PowerPoint to PDF in Java

Convert Office PowerPoint Documents (pptx) and Office PowerPoint (97-2003) Documents (ppt) to standard PDF

September 24, 2020

by Brian O'Neill

CORE

· 10,166 Views · 2 Likes

Spring security using OAuth2 with Microsoft AzureAD B2C

This blog post will explain how to configure AzureAD B2C tenant and integrate it with Spring-Security OAuth2.

September 24, 2020

by Jitendra Bisht

· 8,200 Views · 2 Likes

Jakarta EE & Wildfly Running on Kubernetes

Learn how to create a custom Wildfly instance that runs a Jakarta EE appplications through Kubernetes.

September 24, 2020

by Ralph Soika

· 5,834 Views · 2 Likes

How to Use Java Modules to Build a Spring Boot Application

Learn about how to use the newly introduced Java Platform Module System in Java 9 to create a Spring Boot application.

September 23, 2020

by Bruno Leite

· 22,385 Views · 3 Likes

Using Log Analysis with Command Line Tools to Explore Linux Log

Take a look at this guide to using log analysis with command line tools to dig into a Linux log.

September 23, 2020

by Vickie Li

· 8,654 Views · 3 Likes

Write Your First AWS Lambda in Java

Learn how to create your first Lambda handler in Java using AWS SDK

September 21, 2020

by Rajan Panchal

· 7,719 Views · 3 Likes

5 Simple Binary Encoding Gotchas

Spending hours in frustration debugging SBE issues in your application? This post covers up to 80% of common usage issues related to simple binary encoding.

September 21, 2020

by Tommy Q

· 8,206 Views · 3 Likes

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