class with auto property - CSharp Custom Type

CSharp examples for Custom Type:Property

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Description

class with auto property

Demo Code

using System;//from ww w . j a va  2  s .  c o m
class Student
{
   public string Name { get; set; } // property
   private int average; // instance variable
   // constructor initializes Name and Average properties
   public Student(string studentName, int studentAverage)
   {
      Name = studentName;
      Average = studentAverage; // sets average instance variable
   }
   // property to get and set instance variable average
   public int Average
   {
      get // returns the Student's average
      {
         return average;
      }
      set  // sets the Student's average
      {
         // validate that studentAverage is > 0 and <= 100; otherwise,
         // keep instance variable average's current value
         if (value > 0)
         {
            if (value <= 100)
            {
               average = value; // assign to instance variable
            }
         }
      }
   }
   public string LetterGrade
   {
      get
      {
         string letterGrade = string.Empty; // string.Empty is ""
         if (average >= 90)
         {
            letterGrade = "A";
         }
         else if (average >= 80)
         {
            letterGrade = "B";
         }
         else if (average >= 70)
         {
            letterGrade = "C";
         }
         else if (average >= 60)
         {
            letterGrade = "D";
         }
         else
         {
            letterGrade = "F";
         }
         return letterGrade;
      }
   }
}
class MainClass
{
   static void Main()
   {
      Student student1 = new Student("Mary", 93);
      Student student2 = new Student("Edith", 72);
      Console.Write($"{student1.Name}'s letter grade equivalent of ");
      Console.WriteLine($"{student1.Average} is {student1.LetterGrade}");
      Console.Write($"{student2.Name}'s letter grade equivalent of ");
      Console.WriteLine($"{student2.Average} is {student2.LetterGrade}");
   }
}

Result


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