// streams/Bubble.java

// (c)2017 MindView LLC: see Copyright.txt

// We make no guarantees that this code is fit for any purpose.

// Visit http://OnJava8.com for more book information.

import java.util.function.*;

public class Bubble {

public final int i;

public Bubble(int n) { i = n; }

@Override

public String toString() {

return "Bubble(" + i + ")";

}

private static int count = 0;

public static Bubble bubbler() {

return new Bubble(count++);

}

}