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Re: ‘Advanced AI should be treated similar to Weapons of Mass Destruction’ 2 Months Ago by rproffitt UPDATE: Feb 4, 2025 — Google on Tuesday updated its ethical guidelines around artificial intelligence, removing commitments not to apply the technology to weapons or surveillance. Re: Derived Constructors Question 16 Years Ago by Intrade …is still valid because you are passing data from the derived class to the base class. Because you are passing… accessible within the scope of the base class, the derived class can indirectly modify values in the base class. …of initializing data defined in the base class, and the derived class is using that constructor itself (which should be … Re: Derived Constructors Question 16 Years Ago by CPPRULZ … out_var() { cout<<priv_var; } private: int priv_var; }; class derived:public base { public: void out_var_two() { /*cout<<priv_var; // if….h" using namespace std; int main() { class derived derived; derived.out_var(); derived.out_var_two(); system("pause"); return 0; } [/code] … Re: Derived Constructors Question 16 Years Ago by ArkM … a variable that was not part of the derived class, not part of the derived class object. Would it modify them or… I see that you don't understand a derived object structure. A derived object has ALL members of its base class(es… every base class private member is a member of a derived class too ;). Try to understand an inheritance in C++. Now… Re: Derived Constructors Question 16 Years Ago by ArkM …is my understanding that in C++ objects of derived classes invoke the derived class' constructor but before the body is …' constructor is invoked and takes effect and then the derived class' constructor's body is executed. If this knowledge… base class(es) data members! Besides that, a derived class has no an access to base class private variables… Derived Constructors Question 16 Years Ago by CPPRULZ … is my understanding that in C++ objects of derived classes invoke the derived class' constructor but before the body is executed the…class' constructor is invoked and takes effect and then the derived class' constructor's body is executed. If this knowledge is…the base class that would not be inherited to the derived class, when a new objecct of the… Re: Derived Constructors Question 16 Years Ago by Intrade … my understanding that in C++ objects of derived classes invoke the derived class' constructor but before the body is … constructor is invoked and takes effect and then the derived class' constructor's body is executed. If this knowledge…would not be inherited to the derived class, when a new objecct of the derived class is declared.[/QUOTE] The… Re: Derived Constructors Question 16 Years Ago by CPPRULZ Well when a derived object is declared then the derived class inherits the public and protected variables and functions, not … a variable that was not part of the derived class, not part of the derived class object. Would it modify them or… Re: Derived Constructors Question 16 Years Ago by ArkM … course, you can't access base class private members from derived class functions (directly). It's a simple paraphrase of a… variables directly. In other words: forget parents private members in derived classes, let parents will been troubled about them. It's… Re: derived class 19 Years Ago by Ancient Dragon you can't. Like the book says, derived class inherits ALL members of the base class. But, what … members of the base class not accessible to members of derived class by making base class members private. In the code… below, class derived cannot access variable x in class base. [code] class base… Derived class "improving" base class 11 Years Ago by Seba Sama Hello, I'm trying to understand some things about derived classes: how to add something "extra" to … calculate, show results. No problem here. Then I create a derived class named "shape3D". Please note the private stuff… Then I want to add another dimension (height) to the derived class and add one more `cin` for it in the… Re: Derived class "improving" base class 11 Years Ago by Seba Sama …, I want to add the third dimension height in the derived class shape3D. Is it possible to do it or should… in the base class and set everything up in the derived class? I think of creating a 3rd level derivation and… derived class 19 Years Ago by nemo a derived class inherits [B]all members [/B] of the base class, that is what the book says, right? i want to make a derived class that has only some of the members of the base class, and some of its own members and functions, is it ok to do it like this? or shall i get error msgs. i dont like error msgs at all ! nemo Re: Derived class can't see derived functions? 14 Years Ago by daviddoria …) Write [icode]using Parent::Add;[/icode] in the derived class: (I show two derived classes to demonstrate why you would actually want… Re: Derived class 13 Years Ago by mike_2000_17 …. First, if C derives from B, then it is also derived from A, through the fact that B is… derived from A. In other words, derived classes inherit from their base class(es) and… Derived class 13 Years Ago by #include <lou> …, I am trying to access private level members with a Derived class but keep getting: Error1 cannot access private member declared…;,const TimeType&); }; . . . ...and here is my code for the Derived header file: . . . class extTimeType:public TimeType { private: string timezone; public… Re: Derived class "improving" base class 11 Years Ago by Ancient Dragon … I use protected in the other case. **private:** means the derived class cannot access the variable -- if the defived class doesn… Re: Derived class "improving" base class 11 Years Ago by Seba Sama …, inside the class. It is not directly accessed by the derived class, but calling the public function. All I need is… Derived class can't see derived functions? 14 Years Ago by daviddoria … was that I didn't specifically have to tell the derived classes about these functions? Thanks, David Re: Derived class 13 Years Ago by JasonHippy In short, the private members of your base class should be declared as protected rather than private if you want derived objects to be able to access them directly. Derived CheckBox does not show 16 Years Ago by ddanbe … set binary values on and of at will. So I derived from the CheckBox class to change it's appearance. Instead… derived classes and virtual functions Please Help! 16 Years Ago by cbreeze … for class dog is one class and showDog is the derived class. I need to input from a data file and… Re: derived classes and virtual functions Please Help! 16 Years Ago by cbreeze … I need to make the function virtual to handle the derived class. I'm not quite sure how to do this… Re: derived classes and virtual functions Please Help! 16 Years Ago by mcriscolo …;ShowDog" elements in it, since "ShowDog" is derived from "Dog". Then, you iterate through the array… Derived class 15 Years Ago by tazboy … online but I never get to see a fully used derived class to see what everything looks like, including the declaration… Re: Derived class 15 Years Ago by Stefano Mtangoo … start(); void stop(); void run(); }; class Car: public vehicle //Sample derived class for C++ inheritance tutorial { protected: char type_of_fuel; public: Car… Re: Derived class 15 Years Ago by daviddoria … : person() here because you have already declared that student is derived from person here: //class student: public person { [/code] The main… Re: Derived class 15 Years Ago by mrnutty … all needed constructor, for it will be used in the derived class. 2) Implement student class but in the constructor you… derived from the STL string class 15 Years Ago by theABCasian … radar are all palindromes. Write a class Pstring that is derived from the STL string class. The Pstring class adds a… Derived Attribute...... Help! Help! 15 Years Ago by dirnthelord … table like this. and [B]Grade [/B]column is a derived attribute. and it is based on [B]Marks[/B]. u…