Java: Close a Scanner?

Question

Is it necessary to close the Scanner using close() method after we use it?

Answer 1

https://www.quora.com/Why-do-we-need-to-close-the-scanner-class-in-java
https://coderanch.com/t/633613/java/Java-Closing-Scanner-Resource-Leak

Answer 2

https://www.sololearn.com/discuss/1439441/?ref=app

Answer 3

It is not absolutely necessary to close the scanner but as mentioned above it can cause a resource leak. A dilligent coder would close the scanner to avoid resource related issues.
https://www.sololearn.com/discuss/1438010/?ref=app