- Software Engineering -

CASE

, , , CASE(Computer Aided Software Engineering)Upper CASELower CASE

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1970 : (Parnas)(Dijkstra) (Wirth)1970 : (Yourdon Constantine)JSP (Jackson)Warnier-Orr 1970 : (Demarco, Gane Sarson)SADT(SofTech)

1980 : PSL/PSA (Smalltalk, C++)1980 : ,

1990 : , (Booch, OMT, Shaller-Meller, Yourdon, Fusion, Jacobson, ......) , 1990 : (CORBA, OLE/COM, ...) (JAVA)

CASE , , CAD/CAM

CASE , , , 4 , , , , /,

. , , , , , , . Lisp, Smalltalk (, , ) Cornell Program Synthesizer, Granada/Aloe, Mentor, Pecan : (Abstract Syntax Tree)

(, , , ) Unix Programmers Workbench Teamwork, System Architect, Excellerator , ,

CASE , ,

CASE : 40%, Learning curve ? ? ? ? ? ?

CASE , , , ( , , ) Power BuilderVisual Basic

CASE (, , , ) , , : : : : ,

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? [DSouza,1999]

. (selfcontained)(symmetrical)

Java JavaBeansJava , , Java Java , , API. .

Java JavaBeans API Bean .JavaBeans Jar , , .Enterprise JavaBeans , . .

Java Enterprise JavaBeans EJB , , , , ,

COM+ Microsoft COM QueryInterface . .COM IDL COM OLE(COM ) .COM+ Microsoft Java .

CORBA OMG(Object Managemnet Group) CORBA . CORBA IDL IDL .

CORBA CORBA CORBA CORBA CORBA CORBA

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(X Window, IMSL, ) , ,

Ada generic package Instance is new type A is generic ( , , ) type B is ... with functioin package insert $e into $Q$Q.count

GUI : Ada

-> -> , spagehtii program, cryptic program, redundant program-> goog program (Legacy system) (renovation)

(, ) ()()

(Reverse Engineering) (Restructuring) (renovation)

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DB , DB /

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Ward Meller ,

(C) Eun Man Choi, 2002