Java Resources

Create an API Gateway with Load Balancer Using Java

Nowadays every application is moving to microservice architecture. In this architecture, API Gateway has an important role. Let's build a simple API gateway using Java.

Updated September 10, 2020

by Vishnu Viswambharan

· 29,720 Views · 11 Likes

Using Kotlin, Spring Boot, and Vue.js to Make a CRUD App

Learn to build a Vue.js client application and a Spring Boot REST service, using them to demonstrate a CRUD application with Okta for authentication.

September 10, 2020

by Andrew Hughes

· 7,201 Views · 5 Likes

A New Way to Test Your Multithreaded Code With JUnit

Currently, when we test multi-thread Java we call the class under test by as many threads possible. This approach has the disadvantage that most of the time our faulty test succeeds which makes debugging multi-threaded bugs a nightmare. I, therefore, developed an open-source tool, vmlens, to make JUnit test of multi-threaded Java deterministic.

Updated September 9, 2020

by Thomas Krieger

· 71,963 Views · 15 Likes

Five Different Ways to Create Objects in Java

A list of five ways to create objects in Java, how they interact with constructors, and an example of how to utilize all of these methods.

Updated September 9, 2020

by Naresh Joshi

· 320,750 Views · 53 Likes

Most Practical Selenium WebDriver Tutorial With Examples

A Selenium WebDriver tutorial to help you get into the basics of Selenium WebDriver, its architecture, and automate testing with Selenium WebDriver.

September 8, 2020

by Ritesh Shetty

· 11,642 Views · 5 Likes

Spring Boot Togglz Usage — Part Two

In this article, we will introduce the feature flags in the properties file and control bean instantiation and initialization.

September 8, 2020

by Nagappan Subramanian

CORE

· 6,812 Views · 1 Like

Test Driven Development Using TestNG, Gradle

Basic Approach to start with TDD. Simple example using Java, TestNG, Jacoco and Gradle

September 8, 2020

by Subhasis Roy

· 5,623 Views · 1 Like

3 GC Techniques to Improve Application Performance

Application performance is always on the forefront of our minds, and Garbage Collection optimization is a good place to make small, but meaningful advancements.

September 7, 2020

by Tal Weiss

· 6,738 Views · 6 Likes

How To Install Multiple Versions of Java on the Same Machine

SDKMan! is a tool for managing parallel versions of multiple Software Development Kits on most Unix-based systems. Read more!

Updated September 7, 2020

by Naresh Joshi

· 180,779 Views · 24 Likes

Java Integer Cache: Why Integer.valueOf(127) == Integer.valueOf(127) Is True

So here's the cache...

Updated September 3, 2020

by Naresh Joshi

· 37,887 Views · 17 Likes

Lambda Expression in Java 8

Java 8 Lambda expression

September 3, 2020

by Amit Datta

· 11,063 Views · 3 Likes

6 Efficient Things You Can Do to Refactor a C++ Project

I took my old pet project from 2006, experimented, refactored it and made it more "modern C++". Here are my lessons and six practical steps that you can appl...

September 3, 2020

by Bartłomiej Filipek

· 12,409 Views · 2 Likes

The A-Z of Web Development

Overwhelmed by the amount of jargon that exists around web development? Check out this helpful list of terms every new developer should know.

September 2, 2020

by deji adesoga

CORE

· 10,678 Views · 8 Likes

How To Convert CSV to XLSX Using Java

We will show you how to convert one or multiple CSV files into an Excel Spreadsheet.

September 1, 2020

by Brian O'Neill

CORE

· 11,888 Views · 5 Likes

Open Source Tools Options in Web Application Development

Innovations are constant in Open Source projects and contributions. Let's look at tools and options for Web Application Development in a Layered Architecture.

September 1, 2020

by Ravi Kiran Mallidi

CORE

· 5,513 Views · 4 Likes

Implementing Cryptography (PGP And JCE) Module With MuleSoft

Cryptography is a way of securing the data/information when sending over a network or any source of communication between two or more entities.

August 31, 2020

by Jitendra Bafna

· 13,351 Views · 3 Likes

Custom Maven Plugin in Mule 4

Custom Maven plugin raml-sync-checker is used to check if the RAML in mule 4 app - API implementation is in sync with the RAML published in Anypoint Exchange.

August 31, 2020

by Arpit Singh

· 10,875 Views · 2 Likes