Java Resources

JVM Tuning Using jcmd

It's quite often that a Java application comes across multiple performance issues. We'll see how to use jcmd to better debug those issues.

August 19, 2020

by Kaushal Singh

· 20,911 Views · 17 Likes

The Magic of Spring Data

Let's take a look at how we can get the REST API to access our data without writing a single line of code by using Spring Data technology.

Updated August 17, 2020

by Sergiy Pylypets

CORE

· 86,285 Views · 57 Likes

How to Convert DOCX to PDF in Java

A simple approach to performing the infamously difficult format conversion between DOCX and PDF

August 13, 2020

by Brian O'Neill

CORE

· 21,525 Views · 2 Likes

WebDriverIO Tutorial: Handling Alerts and Overlay In Selenium

In this WebDriverIO tutorial on alert handling in Selenium, I’ll show you how to handle alerts and pop-ups as well as overlay modal in WebDriverIO.

August 12, 2020

by Harshit Paul

· 8,164 Views · 5 Likes

Spring Boot and Kafka Configuration Tuning

See a setup for configuration tuning in an isolated environment and to determine the Spring Boot, Kafka configuration and best practices for moderate uses.

August 11, 2020

by Amit Rathi

· 91,877 Views · 10 Likes

Java Streams: An Implementation Approach

In this tutorial, we will learn what Streams are in Java by comparing the Stream API to SQL statements as an implementation approach.

August 11, 2020

by Kuldeep Pandey

· 10,443 Views · 10 Likes

Top 50 Java Collections Interview Questions

These are frequently asked Java interview questions from the Java Collections framework and you should review them before going for interviews.

August 10, 2020

by Javin Paul

· 67,198 Views · 4 Likes

When to Use Go vs. Java | One Programmer’s Take on Two Top Languages

There is no silver bullet when it comes to software development. I’ll detail below how one traditional and one burgeoning language worked in my experience.

August 5, 2020

by John Griffin

· 40,480 Views · 6 Likes

Change Data Capture Architecture Using Debezium, Postgres, and Kafka

Hands-on tutorial on how to setup Change Data Capture using Kafka and PostrgeSQL.

Updated August 4, 2020

by Abhishek Gupta

CORE

· 13,171 Views · 6 Likes

Spring Cloud + Hashicorp Vault Hello World Example

In this Spring Cloud Tutorial we will be making use of Hashicorp Vault to secure credentials for Microservices.

August 4, 2020

by Rida Shaikh

· 21,295 Views · 3 Likes

Kafka on Kubernetes, the Strimzi Way (Part 3)

Use the Strimzi operator to run Kafka on Kubernetes.

August 4, 2020

by Abhishek Gupta

CORE

· 10,281 Views · 4 Likes

How to Use Protobuf With Apache Kafka and Schema Registry

A full guide on working with Protobuf in Apache Kafka.

August 3, 2020

by Dejan Maric

· 42,198 Views · 4 Likes

Spring Web Flux UI with Spring Security

Take a look at how to construct an application using Spring Web Flux and Thymeleaf, with Spring security, a gateway services, and other microservices.

August 2, 2020

by Rajesh Venugopal

· 5,174 Views · 8 Likes

Anatomy of Sequential Data Processing With Java Streams

It takes an array of integers as a parameter, and very simply sums all the values and returns the sum. We can use recursion for this.

July 31, 2020

by James Warner

· 7,944 Views · 3 Likes

Kafka on Kubernetes, the Strimzi Way (Part 2)

Learn how to run Kafka on Kubernetes using an open source operator.

July 30, 2020

by Abhishek Gupta

CORE

· 7,783 Views · 5 Likes

Making Java Microservices Zing with Azul Zing

Take a look at how you can use Azul Zing to simplify Java microservices and some of the challenges that can come with implementing Java microservices.

July 30, 2020

by Simon Ritter

· 5,540 Views · 3 Likes