Exception

最新推荐文章于 2024-08-05 07:45:00 发布

原创最新推荐文章于 2024-08-05 07:45:00 发布 · 336 阅读

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#exception #string #class

class ChaozaiException extends Exception{
int id;
ChaozaiException(String message,int id){
  super(message);
  this.id=id;
  }
  public int getId(){
   return id;
   }
}
public class PeopleToTravel{
  static int num;
  public int gotoPark(int num)throws ChaozaiException{
  this.num=num;

   if(num>100){
    throw new ChaozaiException("人数过多，已超载！",1234);
    }
   return num;
   }
   public static void main(String[] args){
    PeopleToTravel p = new PeopleToTravel();
    try{
     p.gotoPark(102);
    }catch(ChaozaiException ce){
     System.out.println(ce.getMessage()+"错误编号："+ce.getId());
     num=100;
     }
     System.out.println("实际去的人数为："+num);
    }
  }