oops concept query

0 votes

This is my oops question.

This is my base class

public class BaseClass
{
   public int i = 10;
   public int x = 30;
   public string str = "Hello";
   public virtual string Hello()
   {
     return "Hello of base class called";
   }
}

This is my child class

public class ChildClass : BaseClass
{
    public int i = 20;
    public int z = 90;
    public override string Hello()
    {
       return "Hello of child class called";
     }
}

I have noticed that following works fine

BaseClass baseObject = new ChildClass();

and if I enter baseObject, then only members of BaseClass are shown

  1. Can someone provide me some advice on a circumstance in which a developer needs to do something like BaseClass baseObject = new ChildClass();?
  2. Why are my child member variables not accessible through this baseObject if my BaseClass object has a reference to my child class object?
Jun 11, 2022 in C# by jyoti
• 1,240 points
215 views

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