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For more posts : http://comsciguide.blogspot.com/
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for C and C++ questions, that are asked in the interviews, go through the posts in the link : http://comsciguide.blogspot.com/
for more videos, my youtube channel : https://www.youtube.com/channel/UCvMy2V7gYW7VR2WgyvLj3-A
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Files in c++ pptKumar This document summarizes key concepts about file input/output in C++. It discusses what files are, how they are named and opened, and the process of reading from and writing to files. Specific functions and operators covered include open(), close(), << to write data, and >> to read data. It also discusses checking for open errors, formatting output, and detecting the end of a file. Program examples demonstrate how to open, read from, write to, and close files using C++.
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Compile time polymorphism
Compile time polymorphismForwardBlog Enewzletter Polymorphism allows an entity to take on multiple forms. In C++, polymorphism is implemented through overloaded functions, overloaded operators, and virtual functions. Function overloading allows functions to have the same name but different parameters, either by type or number of arguments. Overloaded functions must have the same name but different signatures to distinguish them. Classes can contain overloaded member functions.
Inheritance in c++ ppt (Powerpoint) | inheritance in c++ ppt presentation | i...
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Genetic polymorphism
Genetic polymorphismDandu Prasad Reddy This document provides an overview of genetic polymorphism and its relationship to periodontal disease. It begins with definitions of key genetic terms like allele, chromosome, DNA and discusses different types of genetic disorders. It then examines various human gene polymorphisms that have been associated with periodontal diseases, such as IL-1, IL-10, TNF-α, and FcγR gene polymorphisms. The document reviews studies that have investigated the relationship between these polymorphisms and chronic or aggressive periodontitis. It concludes by stating that identifying genetic risk factors could allow for more personalized prevention and treatment approaches for periodontal diseases in the future.
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C++ polymorphismGanesh Hogade C++ polymorphism allows objects to be treated as their base class type while exhibiting behavior specific to their derived class. There are two main types: inheritance polymorphism using public virtual functions, and interface polymorphism using template parameters. Inheritance polymorphism depends on virtual functions - functions declared virtual in a base class can be overridden in derived classes. Virtual functions allow dynamic binding so the correct implementation is called based on the object's actual derived type.
Gentic polymorphism
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- 2. What is Inheritance Polymorphism is the ability to use an operator or function in different ways. Polymorphism gives different meanings or functions to the operators or functions.
- 3. Poly, referring to many, signifies the many uses of these operators and functions. A single function usage or an operator functioning in many ways can be called polymorphism. Polymorphism refers to codes, operations or objects that behave differently in different contexts.
- 4. #include <iostream> using namespace std; class CPolygon { protected: int width, height; public: void set_values (int a, int b) { width=a; height=b; } }; class CRectangle: public CPolygon { public: int area () { return (width * height); } }; Example of Inheritance
- 5. class CTriangle: public CPolygon { public: int area () { return (width * height / 2); } };
- 6. Int main () { CRectangle rect; CTriangle trgl; CPolygon * ppoly1 = ▭ CPolygon * ppoly2 = &trgl; ppoly1->set_values (4,5); ppoly2->set_values (4,5); cout << rect.area() << endl; cout << trgl.area() << endl; return 0; }
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