// patterns/SingletonPattern2.java // (c)2021 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. public class SingletonPattern2 { public static void main(String[] args) { Single pi = new Single<>(Double.valueOf(3.14159)); Double x = pi.get(); System.out.println(x); } } /* Output: 3.14159 */