35 lines
797 B
Java
35 lines
797 B
Java
|
//: patterns/CommandPattern3.java
|
||
|
|
// Just implement the Runnable interface!
|
||
|
|
import java.util.*;
|
||
|
|
|
||
|
|
class Hello3 implements Runnable {
|
||
|
|
public void run() { System.out.print("Hello "); }
|
||
|
|
}
|
||
|
|
|
||
|
|
class World3 implements Runnable {
|
||
|
|
public void run() { System.out.print("World! "); }
|
||
|
|
}
|
||
|
|
|
||
|
|
class IAm3 implements Runnable {
|
||
|
|
public void run() {
|
||
|
|
System.out.print("I'm the command pattern!");
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
class Macro3 implements Runnable {
|
||
|
|
public List<Runnable> commands = new ArrayList<>();
|
||
|
|
public void run() {
|
||
|
|
for(Runnable c: commands) c.run();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
public class CommandPattern3 {
|
||
|
|
public static void main(String args[]) {
|
||
|
|
Macro3 macro = new Macro3();
|
||
|
|
macro.commands.add(new Hello3());
|
||
|
|
macro.commands.add(new World3());
|
||
|
|
macro.commands.add(new IAm3());
|
||
|
|
macro.run();
|
||
|
|
}
|
||
|
|
} ///:~
|