Pointer in c

Definition of delegate • Class package some signature methods • Using in event-handling model of C# • Like C/C++ method pointers, but more specific – Type safe – Object- oriented mechanism • Delegates are classes – Can create instances of delegates – Delegates can refer one or more methods

0p trantam2010 26-12-2012 56 4   Download

BK TP.HCM Ho Chi Minh City University of Technology Faculty of Computer Science and Engineering BK TP.HCM Data Structures and Algorithms – C++ Implementation Huỳnh T n t Email: htdat@cse.hcmut.edu.vn Home Page: http://www.cse.hcmut.edu.vn/~htdat/ .Pointer in C++ Declaration Node *ptr; Create an object ptr = new Node(); A pointer usage printf(“Data in node: %d”, ptr-data); Destroy an object delete ptr; NULL pointer ptr = NULL; ??? ptr ptr ??? ptr ptr Faculty of Computer Science and Engineering – HCMUT Slide 2 .

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Dr. John P. Abraham, Professor Until now we have talked about variables that hold values of differing data types. For example: int x =20; The memory location referenced by x has a value of 20. float y=21.22; The memory location referenced by y has a value of 21.22. In early chapters we discussed that a variable name is an alias for a memory address. What if we wanted to know the address of the memory location where the inter variable x that has a value of 20 is stored? We can use the address operator &x to do that....

5p linhtk93 15-04-2013 56 2   Download