NetBeansв„ў IDE Field Guide: Developing Desktop, Web, Enterprise, and Mobile Applications (2nd Edition)

The count() function takes a sequence as its argument, and returns the number of items in the sequence. For example, the expression «count((4, 5, 6)) » returns 3 .

Argument

Data Type

Meaning

Sequence

item()*

The sequence whose items are to be counted

Result

xs:integer

The number of items in the supplied sequence

Категории