The attribute specified by attrID and val are added to the newly created attribute. The id of the attribute to add. If this attribute set ignores the character case of its attribute ids, the case of attrID is ignored. The value of the attribute to add. If null, a null value is added to the attribute.
Attributes Makes a copy of the attribute set.
Changes to the copy will not affect the original and vice versa. Attributes Determines whether the attribute set ignores the case of attribute identifiers when retrieving or adding attributes. Attributes Retrieves the number of attributes in the attribute set. The nonnegative number of attributes in this attribute set. If this attribute set ignores the character case of its attribute ids, the case of attrID is ignored.