摘要：
1 /** 2 * @author Beck 3 *创建自定义事件组 4 */ 5 public class EnrollmentEvent extends java.util.EventObject{//扩展java.util.EventObject类 6 private String studentToEnroll; 7 private int enrollmentCap; 8 9 public EnrollmentEvent(Object source, String studentToEnroll, int enrollmentCap){10 ... 阅读全文
