You have a friend who wants fame and fortune from being a developer working with Jenkins. He wants to write code for it and doesn't know anything about it yet. He wants to know what language Jenkins is written in. You, of course, know the answer and are delighted to tell them. Which of the following do you tell them it's written in?
Jenkins core is written in Java.
How do you set up the Git Plugin Git hook from a project configuration perspective?
What is the Plugin Manager?
The Plugin Manager can be used to add/remove/upgrade/downgrade plugins in Jenkins. These can be used to add functionality to Jenkins.
What types of notification integrations are there?
All of these notification integrations are available.