What is the exact use of java nio package when already methods are available with io package

Question

I was learning java nio package and I realized there are lots of methods already provided by File which nio.Files is providing again by using Path class. Like that few more

Answer 1

The main difference between IO and NIO is that IO is blocking, while NIO is non-blocking.

This article explains the differences in the packages and what blocking and non-blocking IO is. archived