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Published byEdith Blankenship Modified over 8 years ago
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1 CSE 2341 Object Oriented Programming with C++ Note Set #17
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2 Overview Templates –Class templates
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3 Class Templates Templates can be used to create generic ADTs. Can create one general version of class w/o having to duplicate for different data types Template prefix placed before class declaration
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4 SimpleVector template class SimpleVector { private: T* aptr; int arraySize; void memError(); void subError(); public: SimpleVector() {aptr = 0; arraySize = 0;} SimpleVector(int); SimpleVector(const SimpleVector&); ~SimpleVector(); int size() {return arraySize;} t& operator[](const int&); } SimpleVector.h Complete Definition in Handout
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5 Defining Objects of the Class Template Data type that is to be passed as the type parameter is placed in angle brackets after the class name as in: SimpleVector intTable(10); SimpleVector doubleTable(10)
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6 Templates and Inheritance Templated classes can be involved in inheritance template class SearchableVector:public SimpleVector { public: SearchableVector(int s):SimpleVector (s) {} SearchableVector(SearchableVector&); SearchableVector(SimpleVector & obj): SimpleVector (obj) {} int findItem(T); };
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7 Fini ?
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