public class MyException extends Exception { public MyException(String message){ super(message); } }
2.package com.cn.exception;
import java.util.Scanner;
public class TestException { public void showNumber(String pNumber)throws MyException{ if(pNumber.length()!=11){ throw new MyException(\"手机号码不合法\"); }else{ System.out.println(pNumber); } } public static void main(String[] args) { Scanner input=new Scanner(System.in); System.out.println(\"input your phonenumber:\"); String pNumber=input.next(); try { new TestException().showNumber(pNumber); } catch (MyException e) { System.out.println(e.getMessage()); } } }
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