class MyException extends Exception {
    private int idnumber;
  public MyException(String message, int id) {
     super(message);
     this.idnumber = id;
  } 
 public int getId() {
     return idnumber;
  }
}

public class Exce6{
 public void regist(int num) throws MyException {
      if(num < 0) {
              System.out.println("登记号码" + num );
            throw new MyException("号码为负值，不合理",3);
      }
 }
 
 public void manager() {
      try {
         regist(-100);
      } catch (MyException e) {
          System.out.println("登记失败，出错种类" + e.getId());
     }
     System.out.println("本次登记操作结束");
 }
 
 public static void main(String args[]){
     Exce6 t = new Exce6();
     t.manager();
 }
}