out folder in java program folder

Question

I'm seeing a folder known as out below the.idea folder. Can anybody tell me what this folder is and why its appearing here and what is the use of this folder ?

Answer 1

Aamir Naseer can you give more information, for example:
which IDE are you using?
what did you do before the folder appeared?

Answer 2

I'm using intellij IDE for java programming

Answer 3

I did nothing