mock quesiton :output is confusing

[Arjun Srivastava]

    
public class Main {
 int squares = 81;
 public static void main(String[] args) {
 new Main().go();
 }
 void go() {
 incr(++squares);
 System.out.println(squares);
 }
void incr(int squares) { squares += 10; 
}
}

output :82
why it is not coming 92?

[Piotr Nowicki]

Primitives are passed to methods as a values - this is the first point.
The second one is that you are shadowing the instance variable "squares" with method parameter named the same "squares".

Try changing the method argument from "squares" to "squares2" and see what happens:

void incr(int squares2) { squares += 10; }  

[Arjun Srivastava]

Pedro Kowalski wrote:
The second one is that you are shadowing the instance variable "squares" with method parameter named the same "squares".

yeah got it,
thanks pedro.

[Piotr Nowicki]

No problem mate :-) Glad it helped!