Answer:
Attached are screenshots of the working code - baring in mind this only works on mutable Collection types. (ones that can be changed) if you use Collections that don't support this you may experience an Unsupported Operation Exception - but this is expected.
Explanation:
Using Java streams as an alternative for some answers.
A mean is another word for average (kind of)
in order to delete answers from your questions, you have to rate them one star , or at least that's what I do, and then report it and then brainly will determine if it's something that needs to be taken down or not
The program used to create and implement a database is called an operating system.
<h3>What is an operating system?</h3>
An operating system (OS) is a system that helps to manage and allocate computer resources. These computer resources are:
- Central processing unit (CPU),
- Computer memory,
- File storage,
- Input/output devices,
- Network connections.
The most used operating system are;
- Apple mac OS,
- Microsoft Windows,
- Go-ogle Android OS,
- Lin-ux Operating System,
- Apple iOS
Learn more about operating system:
brainly.com/question/24032221
C: pie chart is the answer to it