How to do it...

1. Open the Jenkins dashboard.
2. Go to Manage Jenkins.
3. Go to Global Tool Configuration to configure the tools, their locations, and automatic installers.
4. Go to the Ant section.
5. Give the Name and click on Install Automatically, or give the path to an existing location where the Ant installation is available.
6. You can give a logical name such as ANT 1.10.1 or ANT 1.9.1 to identify the correct version while configuring a build job.
7. You can add multiple Ants based on the version in Jenkins: