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

28 lines
705 B
Java

// references/Alias1.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.
// Aliasing two references to one object
public class Alias1 {
private int i;
public Alias1(int ii) { i = ii; }
public static void main(String[] args) {
Alias1 x = new Alias1(7);
Alias1 y = x; // Assign the reference (1)
System.out.println("x: " + x.i);
System.out.println("y: " + y.i);
System.out.println("Incrementing x");
x.i++; // (2)
System.out.println("x: " + x.i);
System.out.println("y: " + y.i);
}
}
/* Output:
x: 7
y: 7
Incrementing x
x: 8
y: 8
*/