26 lines
647 B
Java
Raw Permalink Normal View History

// patterns/Macro.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.
import java.util.*;
public class Macro {
public static void main(String[] args) {
List<Runnable> macro = new ArrayList<>(
Arrays.asList(
() -> System.out.print("Hello "),
() -> System.out.println("World! ")
));
macro.forEach(Runnable::run);
macro.add(
() -> System.out.print("I'm the command pattern!")
);
macro.forEach(Runnable::run);
}
}
/* Output:
Hello World!
Hello World!
I'm the command pattern!
*/