Java Puzzle 17 (explain the behavior of this program)

Puzzle17.java

public class Puzzle17 {

	public static void main(String[] args) {
		run(1.0 / 0.0);
	}
	
	public static void run(double i) {
		while(i == i + 1) {
			System.out.println(i);
		}
	}

}