Gradle is build automation tool: Gradle is successor of Ant and Maven

https://www.baeldung.com/ant-maven-gradle

https://gradle.org/ 
https://docs.gradle.org  :

https://www.youtube.com/watch?v=Nabjqv8KDgc&list=PLhW3qG5bs-L8kzOvEjaOyUs2LqHZ3fz4X


Gradle:
Build automation tool performs following functionalities,

1. compiling code
2. packaging into binary code
3. Manage required libraries (dependencies)
4. Running automated tests
5. Deployment
6. Notification (sending email)

Common Build tools:
Apache Ant Apache Maven Gradle Grunt Gulp

Install Gradle:
https://gradle.org/install/ 97Mb Zip

Set environment path