1. Overview
In this tutorial, You'll learn how to read the file fast in java efficient manner.
Before going to our topic, Every programming developer must be working on some technology such as java, python, c++ or swift. Either developing web applications or mobile applications. All the user operations must be saved in files, databases or in-memory or in image format. But here the challenging part is doing it considering the performance aspect. This is what you are going to see how to read the file in java efficiently.
And also this is a famous interview question for all level java developers. We will see the good and bad ways to read large files.