例： Joiner joiner = Joiner.on("; ").skipNulls(); . . . return joiner.join("Harry", null, "Ron", "Hermione"); // Harry; Ron; Hermione 如果参数有null且没有用skipNulls()或useForNull(String)会抛NullPointerExceptionA appendTo(
专注分享技术，共同学习，共同进步。侵权联系[81616952@qq.com]
Copyright (C)ICode9.com, All Rights Reserved.
ICode9版权所有
