17 lines
423 B
Java
17 lines
423 B
Java
// 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<Double> pi =
|
|
new Single<>(Double.valueOf(3.14159));
|
|
Double x = pi.get();
|
|
System.out.println(x);
|
|
}
|
|
}
|
|
/* Output:
|
|
3.14159
|
|
*/
|