package observerPattern.observer.impl; import observerPattern.observer.Observer; import org.slf4j.Logger; import org.slf4j.LoggerFactory; public class User implements Observer { private static final Logger log = LoggerFactory.getLogger(User.class); String name; Integer age; public User(String name, Integer age) { this.name = name; this.age = age; } public String getName() { return name; } public void setName(String name) { this.name = name; } public Integer getAge() { return age; } public void setAge(Integer age) { this.age = age; } @Override public void update(String message) { log.info("{}收到了消息: {}", name, message); } }