perkevent.java

来自「jbshortcourse」· Java 代码 · 共 15 行

package Marcel;
import java.util.EventObject;
public class PerkEvent extends EventObject {
  private String msg;
  public PerkEvent (Object source) {
    this (source, null);
  }
  public PerkEvent (Object source, String message) {
    super (source);
    msg = message;
  }
  public String getMessage () {
    return msg;
  }
}