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Learn Object-Oriented Programming in C#

Solution Review: Implement the Complete Student Class

Understand how to implement the Student class by securing private fields using data hiding principles in C#. Explore how to create public properties that provide controlled access to private data, reinforcing encapsulation and preparing for inheritance.

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Solution

C#
class Student // Student Class
{
  // Fields
  private string _name;
  private string _rollNumber;
  // Properties
  public string Name
  {
    set
    {
      this._name = value;
    }
    get
    {
      return this._name;
    }
  }
  public string RollNumber
  {
    set
    {
      this._rollNumber = value;
    }
    get
    {
      return this._rollNumber;
    }
  }
  
}
class Program 
{
  public static void Main()
  {
    
     Student student = new Student();
     student.Name = "John";
     student.RollNumber = "20";
     System.Console.WriteLine(student.Name + " " + student.RollNumber);
    // In an Encapsulated implementation the following should return an error
    // student._name = "John";
    // student._rollNumber = "20";
  }
}

Explanation

  • Line 4-5: We have implemented the Student class which has the private fields
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