Efficient Input/Output using JAVA IO, NIO and NIO2

If you have ever worked on a real life production application you might have noticed that 70 to 80% of the time, applications are busy doing IO or Input Output.

IO in the sense : Reading, writing from and to Databases, Files, Disks, calling some APIs etcetera.

Why so ? Because Data needs to be persisted somewhere to be used in Future. While an application runs it loads the data in RAM but you know that It’s not permanent.

So, To make the application perform better, You need to understand three things?

1. Computing should be done efficiently to save the CPU

2. Space or RAM should be used effectively and efficiently because that is limited and expensive

And Third and most important thing is

3. IO should be done in an efficient way.

Why am I calling 3rd one most important ? Because if you believe my several years of experience in building large scale production ready applications, Most of the applications spend 70% time doing IO.

So In this course what we gonna learn ? We are going to learn Effective Java IO, NIO and NIO2

And what is java way of handling IO?

Let me quickly brief the agenda of the course to you…