empty string

The username cannot be an empty string or a string containing only spaces.

用户名不能为空字符串或只包含空格的字符串.

UDDI version 1.0 required that this value be an empty string bounded by quotes.

UDDI规范 1.0版要求这个字段的值应当是包含双引号的空字符串.

The isbn member is implicitly initialized by the string default constructor as an empty string.

isbn成员由string的默认构造函数隐式初始化为空串.

Strings are initialized to null, not empty string.

String是被初始化为null, 不是空字符.

Returns an empty string if the character sequence is not a valid collating element.

如果字符序列不是有效的对照元素则返回空字符串.

Note: Separator cannot be an empty string.

注意:分 割符不可以是空字符串.

Cannot rename web name to empty string.

无法重命名网站名称以清空字符串.