Kashub's Code Barn - "hello world"

podświetlone jako nsis (dodał(a) test @ 2014-03-13 09:10:54)

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Losowe wpisy:
interface MessageStrategy {
public void sendMessage();
}
abstract class AbstractStrategyFactory {
public abstract MessageStrategy createStrategy(MessageBody mb);
}
class MessageBody {
Object payload;
public Object getPayload() {
return payload;
}
public void configure(Object obj) {
payload = obj;
}
public void send(MessageStrategy ms) {
ms.sendMessage();
}
}
class DefaultFactory extends AbstractStrategyFactory {
private DefaultFactory() {
;
}
static DefaultFactory instance;
public static AbstractStrategyFactory getInstance() {
if (instance == null)
instance = new DefaultFactory();
return instance;
}
public MessageStrategy createStrategy(final MessageBody mb) {
return new MessageStrategy() {
MessageBody body = mb;
public void sendMessage() {
Object obj = body.getPayload();
System.out.println((String) obj);
}
};
}
}
public class HelloWorld {
public static void main(String[] args) {
MessageBody mb = new MessageBody();
mb.configure("Hello World!");
AbstractStrategyFactory asf = DefaultFactory.getInstance();
MessageStrategy strategy = asf.createStrategy(mb);
mb.send(strategy);
}
}
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