What is reference variable?

Answer 1

There are two types of variables:

1- Primitive variables : those are the known variables with known data types, such as (int x , float y) and these variables contains data.

2- Reference variables : those are variables contains addresses to locations in memory , and they don't contains data.

Answer 2

So, when we should use primitive or reference variable?

Answer 3

Check this video if not understand on SL
https://youtu.be/eRfvgSvf-mM

Answer 4

I would recommend using this site its does such a nice job at explaining pretty much anything you need to know about Java with lots of examples, i use it with SoloLearn quite often, together they make the perfect teacher you need lel

https://kodejava.org/what-is-reference-variable-in-java/

Answer 5

https://www.sololearn.com/learn/Java/2158/

Answer 6

Oke, thanks for your nice answer

Answer 7

Ooh thank you Kalley