2016-01-25 18:05:55 -08:00

26 lines
640 B
Java

// references/Alias2.java
// (c)2016 MindView LLC: see Copyright.txt
// We make no guarantees that this code is fit for any purpose.
// Visit http://mindviewinc.com/Books/OnJava/ for more book information.
// Method calls implicitly alias their arguments
public class Alias2 {
private int i;
public Alias2(int i) { this.i = i; }
public static void f(Alias2 reference) {
reference.i++;
}
public static void main(String[] args) {
Alias2 x = new Alias2(7);
System.out.println("x: " + x.i);
System.out.println("Calling f(x)");
f(x);
System.out.println("x: " + x.i);
}
}
/* Output:
x: 7
Calling f(x)
x: 8
*/