Writing unit tests is difficult if the dependencies between your application classes make it difficult to draw a boundary between what you want to test and the rest of the codebase. Mockito helps you to easily create Java tests by using mock objects.

Manual deployments are error-prone, painful, and problematic. What you need is a way to model your environments and script your deployments – Octopus is the premier tool for getting this kind of work done, and you’ll explore how to make it happen.

This course provides you with everything you need to know to get started programming in Java and serves as a strong foundation for all Java-based development environments including client-based, server-side, Android, and big data platforms.

Prometheus is the preferred monitoring tool for containers, but it works just as well in any environment. This course will teach you how to get up and running with Prometheus and add a consistent monitoring approach to all your apps and servers.

Puppet is the de-facto configuration management software for Linux and Unix systems, and this course teaches you everything you need start managing your infrastructure with Puppet.

Spring Batch is a mature open source frameworks for batch processing. This course will get you started with Spring Batch through the demonstration of processing input from a file, transforming the data, and outputting the data to a database.

Swagger Tools is the leading platform for describing RESTful web services. This course will teach you how to use Swagger Tools to describe, document, generate code, and test RESTful web APIs based on the OpenAPI standard.

This course will teach you everything you need to know about TeamCity to get started with continuous integration and begin automating your builds. You will learn how to install TeamCity before configuring builds for both Java and .NET.

As Terraform is adopted across the industry, companies discover they need to collaborate within teams and across the organization. This course will teach you how to use Terraform Cloud to deliver collaboration and automation in a managed environment.

Automated tests are key to delivering quality assurance to software. Learn how to write any kind of test - unit, component or user interface, using TestNG - a feature-rich and incredibly popular testing framework.

This course will teach you in a practical way, with a combination of slides and demo code, the basic aspects of the C programming language and tools, so that you can be productive with the C language, and be able to write beginning applications in C.

Linux is the dominant OS of the cloud, DevOps, and enterprise servers. Since Linux administration happens on the command line, and since you want a part of all that action, you'll enjoy this introduction to the admin tool where it all happens.