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inheritance error is::Error 1 Inconsistent accessibility: base class 'person' is less accessible than class 'employee' using System; using System.Collections.Generic; using System.Linq; using System.Text; //person class public class person { public string name; public double CNIC_no; public void Information() { Console.WriteLine("Enter your name"); name = Console.ReadLine(); Console.WriteLine("Enter your id"); CNIC_no =double.Parse( …
by Usman_10 in Software Development ()
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Inheritance with generic types can sometimes be tricky. If you would inherit from a Stack<double>, no problem, but what if you want to keep it as generic as possible? Maybe it's a bad idea, but I wrote something like `class Stacker<T> : Stack<T>` and in Stacker I implemented some arithmetic …
by ddanbe 2,429 in Software Development ()
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I have a Task class (superclass) which inherited PracticeTest class(childclass). I'd faced question regarding my pass year question. In fact, we are allowed to declared like this Task aTask = new PracticeTest(); But i wonder why we are doing this way? Thanks for advance explanation.
by gahhon 13 in Software Development ()
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Is it possible to let an overridden method from a base class to return the type of the derived class? What I mean is: namespace test //with some "pseudo" code { class Base<T> { //fields ... //properties ... // ... public virtual Base<T> BaseMethod() { //return new Base<T>; } // …
by ddanbe 2,429 in Software Development ()
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Hi guys, I would like to discuss my design with one query. below is the code snippet. It is clear from below code snippet that class pd is privately derived from AbstractClass as both are different classes and there is no relation between them.Now in my class pd i need …
by can-mohan in Software Development ()
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Hi fellow members, I have wrote two abstract classes, with the second inheriting from the first. However, I receive this error when I try to compile: "error C2143: syntax error : missing ',' before '<'." Will somebody help me out? Thanks! template <class DataType> class AbstactArrayClass { friend ostream& operator …
by VengefulToast in Software Development ()
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//Hi all just switching from c++ to c#.Can anyone help,with the question i have: //this is a peace of code from c++ banking aplication int ShowMenu(void); void AddAccount(vector<CAccount*>& list); void DisplayAccount (vector<CAccount*>& list); void Lodgement (vector<CAccount*>& list); void Withdroawal (vector<CAccount*>& list); void InterestRate (vector<CAccount*>& list); CAccount* findAccount (vector<CAccount*>string ); bool …
by PulsarScript in Software Development ()
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Why this doesn't work? class Faculty extends Employee { private long[] officeHours; private String rank; public Faculty(long[] hours, String rank) { this.officeHours = hours; this.rank = rank; } public static void main(String[] args){ //some code here Faculty f = new Faculty(newToken[], tokens[tokens.length-1]);
by redtribal23 in Software Development ()
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One of my students make me a question (which answer i know) but I think could be instructive to formulate the same question here so many people can learn about it. The question is: How to implement a copy assignment into a Derived class? Consider the following class A: class …
by Maritimo 15 in Software Development ()
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Hey everybody, As of this moment i'm trying to work out how to approach a state design. I've come across Source Makers' site [http://sourcemaking.com/design_patterns/state/cpp/1](http://sourcemaking.com/design_patterns/state/cpp/1) and am testing out the example. The program works fine when it's all in 1 file, although i had to change some stuff in main, but …
by Tycellent in Software Development ()
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this program is simply for recording data of various staffs.Inheritance has been used for taking additional data.Staff is the base class.the classes officer,typist and teacher are the derived classes.again the classes regular and casual are derived from the class typist. **now my problem is that whenever i call the constructor …
by aanchal_1 in Software Development ()
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I'm trying to create a program that passes arguments of size of three shapes, a circle, a triangle, and a rectangle. I got those but everytime I run the code it displays the arguments as 0 instead of giving me the shape dimension. Here is the code. using System; class …
by theashman88 36 in Software Development ()
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I have two classes A Dog class whose constructor does not accept arguments, `public class Dog<pet> extends Animal<pet>{}` whose constructor does not accept any arguments and `public class Animal<pet>{}` whose constructor accepts one argument public class Dog<pet> extends Animal<pet>{ public Dog(){ super(/*what should go here?*/); //Constructor accepts no arguments } …
by Pyler in Software Development ()
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please i have a little problem creating a class and making it run. The class is created separately as a header file with it's source code. whenever i build the source code of the class, i get an error that says: undefined reference to 'WinMain@16'. And whenever I run the …
by samson.dadson.3 in Software Development ()
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I have been programming for quite a while in Python but have just started to learn OOP properly. I find it really confusing and I don't really understand it. Especially the implicit self that python automatically passes. It just isn't clicking, really. May someone provide an easy explanation of what …
by asadmoosvi in Software Development ()
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package hw3.categories; import java.util.ArrayList; import hw3.DiceGroup; import hw3.api.IScoreCategory; /** * Scoring category for a yahtzee. A DiceGroup * with N dice satisfies this category only if all N * values are the same. For a dice group that satisfies * this category, the score is a fixed value specified in …
by tyler.dahle in Software Development ()
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This started out as `I love PHP traits! I'm going to use them everywhere! ^_^` and now it has turned into a `Thought Exercise / Learning Experience >_<`. Consider the following example: trait TheErrorOfYourWays{ public function booboo(){ echo 'You had a booboo :('; } } trait SpectacularStuff1 { use TheErrorOfYourWays; …
by Gaetane 12 in Web Development ()
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Hello, I am working on an event driven library and am having one minor problem. Basically I have two ways to get what I want done. Method 1: Smart pointers and factory functions #include <iostream> #include <vector> #include <memory> using namespace std; class Object { public: virtual int getInt(){return 0;} …
by Labdabeta 182 in Software Development ()
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#ifndef BASE_H #define BASE_H class Base { public: int m_nValue; Base(int nValue=0) : m_nValue(nValue) { std::cout << "Base" << std::endl; } }; #endif #ifndef DERIVED_H #define DERIVED_H #include "Base.h" class Derived: public Base { public: double m_dValue; Derived(double dValue=0.0) : m_dValue(dValue) { std::cout << "derived se" << std::endl; } friend …
by skyyadav in Software Development ()
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Hello, I am having a particularly nasty case of "What is the syntax?" while working on an event driven library. Basically this is what I want: class Object {// private: public: virtual bool onEvent(Event e)=0;//all objects have to react to events Object operator|(const Object &o) { // I want to …
by Labdabeta 182 in Software Development ()
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#include <string> #include <iostream> #include <vector> using namespace std; class Person { public: Person(); Person(string n, string a, string tel, string em); string getName(); string getAddress(); string getTel(); string getEmail(); virtual string whatAmI(); private: string name, address, telephone, email; }; Person::Person() { } Person::Person(string n, string a, string tel, string …
by kruschev in Software Development ()
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I'm trying to create a list stack that implements some interface called SomeList The list stack should only use stack with no links. the itnerface has a number of methods that I would like to implement. So for SomeList I have something like public interface SomeList<T>{public void plus(T something);public E …
by Pyler in Software Development ()
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Hey guys, slightly less noob programmer here for a some more help, This week in class we were assigned to create a phonebook with a couple functions to manipulate it, but it seems I am having a couple problems. It seems to me that I have most of the program …
by Jugottabe in Software Development ()
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Hey guys i am having trouble with creating a Parent class(gameobject) for two other child classes(player,location) both of the child classes can access data from the parent class, and work well independently but once i include the h file for the child classes together in main.cpp i get the compiler …
by Stpdoug in Software Development ()
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Hi Guys, I am trying to teach myself templates and I keep getting lost in all these compilation errors. Here is the latest // This is the interface for the base class template<class V, class I =int> class Array{ private: vector<V> myStore; public: Array(); Array(I size); Array(I size, V value); …
by abhimanipal 91 in Software Development ()
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Hey guys, noob programmer here. Over the last week or so we've been learning about classes and inheritance in my latest progamming class. I've recieved a variation of the ever so popular poker program and am having some problems putting it all together. I haven't had the opportunity to test …
by Jugottabe in Software Development ()
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I have the following structure: CObject { protected: char *mName; public: CObject(char *n) { mName=strdup(n); } }; CVector:public CObject { char *mValues[50]; int mElements; public: CVector(char *n):CObject(n) {} }; CMatrix:public CObject { char *mValues[50][50]; int mLines; int mColumns; public: CMatrix(char *n):CObject(n) {} }; My main function: int main() { pV=new …
by tanatos.daniel in Software Development ()
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Hello, I have a chain of inherited classes like this: class A { protected: int a; public: int getA(){return a;} }; class B:public A { protected: int b; public: int getB(){return b;} }; Based on that you can see that the public can only read the values in those classes, …
by Labdabeta 182 in Software Development ()
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Traceback (most recent call last): File "C:/Users/James/Desktop/hugevar.py", line 2, in <module> class var(tempfile.TemporaryFile): TypeError: Error when calling the metaclass bases function() argument 1 must be code, not str Why does this happen and how can I fix it?
by james.lu.75491856 in Software Development ()
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<?php class contacts { public $name; public $cno; public $clocation; public function __construct($name,$cno,$clocation) { $this->name = trim($name); $this->cno = trim($cno); $this->clocation= trim($clocation); } public function getName() { return $this->name; } public function getNO() { return $this->cno; } public function getLocation() { return $this->clocation; } } class DataBaseAction extends contacts { …
by kiLLer.zoh_1 in Web Development ()