Improving the Design of Existing Code

Martin Fowler

Abstract

class Price { abstract int getPriceCode(); // 取得價格代號 } class ChildrensPrice extends Price { int getPriceCode() { return Movie.CHILDRENS; } } class NewReleasePrice extends Price { int getPriceCode() { return Movie.NEW_RELEASE; } } class RegularPrice extends Price { int getPriceCode() { return Movie.REGULAR; } } 現在我可以編譯這些新 classes了。

Keywords

Class (philosophy)Code (set theory)EconomicsComputer scienceMathematicsProgramming languageArtificial intelligenceSet (abstract data type)

Affiliated Institutions

Association for Computing Machinery US

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Publication Info

Year: 2000
Type: article
Citations: 235
Access: Closed

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APA Style

                            
                                    Martin Fowler
                                
                            (2000). 
                            Improving the Design of Existing Code. 
                            
                            .