get the index of the default root in the vector , else return -1 concode_field_sep String defaultRoot concode_elem_sep Vector rootVector concode_elem_sep int defaultRootIndex concode_elem_sep String currentDir concode_elem_sep Hashtable fileRoots concode_elem_sep String currentRoot concode_field_sep Hashtable getRoots concode_elem_sep void writeObject concode_elem_sep String getDefaultRoot concode_elem_sep void setCurrentRoot concode_elem_sep void setCurrentDir concode_elem_sep String getCurrentDir concode_elem_sep Vector getRootVector concode_elem_sep String getCurrentRoot concode_elem_sep void readObject
int function ( ) { return defaultRootIndex ; }