Posted: 14 Jan 2019 04:23 AM PST
In today's world of Agile and DevOps, Jenkins has become an indispensable tool for both Java programmers and DevOps engineers. Jenkins allows you to set up continuous integration (CI) and continuous deployment (CD) pipeline, which reduces risk on Software development and delivery. This means hassle-free development and deployment. It also means quicker feedback because as soon as a commit has been made into a source control system like Git, Jenkins can start building artifacts and running unit tests. If the build failed due to an issue or if a unit test doesn't pass, you will receive an email instantly. This quick feedback loop ensures that your codebase remains error free.
Posted: 13 Jan 2019 05:32 PM PST
Groovy is a programming language which is specially created for Java developers with a view to being a fast-paced, scripting companion to Java. It aims to increase the productivity of Java developer by simplifying Java code and removing unnecessary boilerplate. Groovy not only present a succinct and easy to read syntax but also provide a much more elegant and convenient API than Java for common stuff. For example, a Groovy file can do in 50 lines what a Java source code do in 500 lines. You can declare an array as  and map as [: ] which really make code full of data without much syntax. Because of this property, Groovy is heavily used in unit testing of Java application. Some popular unit testing frameworks like Spock is also built on Groovy.
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