chatserverevent.java

一阶微分算法

//ChatServerEvent.java
package chatserver;
import java.util.EventObject;
public class ChatServerEvent extends EventObject{
String message;
public ChatServerEvent(Object src,String message){
super(src);
setMessage(message);
}
public String getMessage(){
return message;
}
public void setMessage(String message){
this.message=message;
}
}