10302期末考07

package 期末考10302第七題;


public class ErrorHandling{

    public static void main(String[] args){
     boolean verify = true;
     try{checkMemberID("123456789");}
     catch(memberIDException e){
     System.out.println("錯誤訊息:"+e.getMessage());
     e.contactWith();//自訂例外類別的自定方法
     verify = false;}
     if(verify) System.out.println("會員證號驗證成功"); else
    System.out.println("會員證號驗證失敗");
     }

    public static void checkMemberID(String a)throws memberIDException
    {
        if(a.length()!=5)
        {
            throw new memberIDException(a);
        }
    }

}
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package 期末考10302第七題;

public class memberIDException extends Exception {

    public memberIDException(String a)
    {
        super("會員證號: "+a+" 驗證失敗!");
    }

    public void contactWith()
    {
        System.out.println("請聯絡服務人員: TEL:28825252");
    }
}