, .
,
, .
, , .
20.
(CASE-, , ).
, CASE-. CASE Computer Aided Software Engeneering. CASE , CASE- , , . CASE- , . .
CASE- ( ) , , .. , , . (upper) (lower) [7].
CASE- , , .
CASE- , , (, ).
CASE- (toolkit) CASE- (workbench). CASE- . , , () , CASE- ( , , ). , , , ( , ).
, CASE-, , .
--------------------------------------------------------------------------------------------------------------
() - , , , , .
- , , .
(). Ÿ . , , .
- . ( , )
- .
- .