计算E_mail地址cy_java@126.com的域名“126.com”在字符串中起始位置的方法是? 设有 String e_mail="cy_java@126.com"; A. e_mail.indexof("126.com") B. e_mail.indexOf("126.com") C. e_mail.lastIndexOf("126") D. e_mail.substring("126.com")
【简答题】CAREER OPPORTUNITIES 1.Full—time Secretary Position Available:Applicants should have at least 2 years’ex-perience and be able to type 60 words a minute.No computer skills required.Apply in person at U...