C# ### Programming Concepts in C##### 4. In which class was the `ToString` method declared originally?The `ToString` method was originally declared in the `Object` class.#### 5. Explain the concepts of **inheritance** and **polymorphism** of C#.- **Inheritance**: Inheritance is a fundamental concept in object-oriented programming where a new class (derived class) inherits attributes and behaviors (methods) from an existing class (base class). This allows for code reuse and the creation of more complex data structures. Example: ```csharp class Animal { public void Eat() { Console.WriteLine("Eating..."); } } class Dog : Animal { public void Bark() { Console.WriteLine("Barking..."); } } ```- **Polymorphism**: Polymorphism allows methods to do different things based on the object it is acting upon, even though they share the same name. This can be achieved in C# through method overriding and method overloading. Example: ```csharp // Method Overloading class MathOperations { public int Add(int a, int b) { return a + b; } public double Add(double a, double b) { return a + b; } } // Method Overriding class Animal { public virtual void MakeSound() { Console.WriteLine("Animal sound"); } } class Dog : Animal { public override void MakeSound() { Console.WriteLine("Bark"); } } ```#### 6. How to call a base class constructor from a derived class constructor? Show one example.You can call a base class constructor from a derived class constructor using the `base` keyword followed by any required arguments.Example:```csharpclass BaseClass{ public BaseClass(string message) { Console.WriteLine(message); }}class DerivedClass : BaseClass{ public DerivedClass() : base("Hello from Base Class Constructor") { // Additional initialization for DerivedClass }}```#### How to call another constructor from one constructor in the same class? Show one example.You can call another constructor within the same class using the `this` keyword followed by

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4. In which class was the ToString method declared originally? 5. Explain the concepts of inheritance and polymorphism of C#. 6. How to call a base class contructor from a derived class constructor? Show one example. How to call another constructor from one constructor in the same class? Show one example.

4. In which class was the ToString method declared originally? 5. Explain the concepts of inheritance and polymorphism of C#. 6. How to call a base class contructor from a derived class constructor? Show one example. How to call another constructor from one constructor in the same class? Show one example.

C++ for Engineers and Scientists

4th Edition

ISBN:9781133187844

Author:Bronson, Gary J.

Publisher:Bronson, Gary J.

Chapter12: Adding Functionality To Your Classes

Section12.2: Providing Class Conversion Capabilities

Problem 6E

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