Plis help i dont get this code

Question

When i remove the "this" keyword the output is different.
Why is it different
https://code.sololearn.com/ct5bBJyKrinX/?ref=app

Answer 1

The keyword this refers to an attribute of a particular object. Without it, you refer to local attribute:
https://www.sololearn.com/learn/Java/2154/

EDIT: Thanks, ~ swim ~

Answer 2

Thank you kuba

Answer 3

Thank you