The Jenkins slave AMI is preloaded with most of the popular tools needed to run various build jobs and automation tasks on Jenkins:

Git Client
Ant
Maven
Gradle
Java OpenJDK 8 as the default Java installation
OpenJDK releases from 9 through 14
GNU C/C++ compilers
Go compiler
Python 2.7 and 3.x
Docker
Node.js
Ansible
AWS CLI
kubectl
All these tools are installed following official guidelines, eliminating the need to deal with any custom environment, and enabling you to build on the baseline build platform available on this AMI.