//: Leaf.java
// Simple use of the "this" keyword
public class Leaf {
	private 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();
	}
} ///:~