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What will be the output of the following C# code? class A { public virtual void display() { Console.WriteLine("A"); } } class B: A { public override void display() { Console.WriteLine(" B "); } } class Program { static void Main(string[] args) { A obj1 = new A(); B obj2 = new B(); A r; r = obj1; r.display(); r = obj2; r.display(); Console.ReadLine(); } }

What will be the output of the following C# code? class A { public virtual void display() { Console.WriteLine("A"); } } class B: A { public override void display() { Console.WriteLine(" B "); } } class Program { static void Main(string[] args) { A obj1 = new A(); B obj2 = new B(); A r; r = obj1; r.display(); r = obj2; r.display(); Console.ReadLine(); } }

Computer Networking: A Top-Down Approach (7th Edition)
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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Question

What will be the output of the following C# code?

class A
{
public virtual void display()
{
Console.WriteLine("A");
}
}
class B: A
{
public override void display()
{
Console.WriteLine(" B ");
}
}
class Program
{
static void Main(string[] args)
{
A obj1 = new A();
B obj2 = new B();
A r;
r = obj1;
r.display();
r = obj2;
r.display();
Console.ReadLine();
}
}

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