编写Java程序,判断一个email地址是否合法(提示:只需要判断@和.即可)
源代码:
package com.lzg.class4;public class Demo03 {public static void main(String[]args){String email="711026978@";System.out.println(email+":"+(validate(email)?"Email地址合法":"Email地址不合法"));}public static boolean validate(String email){boolean flag=true;if(email.indexOf("@")==-1||email.indexOf(".")==-1){flag=false;}if(flag){if(email.indexOf("@")>email.indexOf("."))flag=false; }return flag;}}
运行结果: