2015-12-15 11:47:04 -08:00

24 lines
530 B
Java

// housekeeping/Leaf.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.
// Simple use of the "this" keyword.
public class Leaf {
int i = 0;
Leaf increment() {
i++;
return this;
}
void print() {
System.out.println("i = " + i);
}
public static void main(String[] args) {
Leaf x = new Leaf();
x.increment().increment().increment().print();
}
}
/* Output:
i = 3
*/