returns the nil uuid a uuid whose values are both set to zero . starting with version 2.0 , this method does return a new uuid instance every time it is called . earlier versions returned one instance . this has now been changed because this uuid has public , non-final instance fields . returning a new instance is therefore more safe . concode_field_sep long clockSeqAndNode concode_elem_sep long serialVersionUID concode_elem_sep long time concode_field_sep Appendable toAppendable concode_elem_sep void writeObject concode_elem_sep int hashCode concode_elem_sep long getTime concode_elem_sep boolean equals concode_elem_sep Object clone concode_elem_sep long getClockSeqAndNode concode_elem_sep String toString concode_elem_sep int compareTo concode_elem_sep StringBuffer toStringBuffer concode_elem_sep void readObject
UUID function ( ) { return new UUID ( 0 , 0 ) ; }