C# Loops: do while loop exercises Write C# program to prompt the user to choose the correct answer from a list of answer choices of a question.

The user can choose to continue answering the question or stop answering it. See the example below:

What is the command keyword to exit a loop in C#?
a. int
b. continue
c. break
d. exit
Enter your choice: b
Incorrect!
Again? press y to continue:

Solution:

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace Csharp_exercises
{
class Program
{
static void Main(string[] args)
{

string choice;
string con = "y";
Console.WriteLine("What is the command keyword to exit a loop in C#?");
Console.WriteLine("a.quit");
Console.WriteLine("b.continue");
Console.WriteLine("c.break");
Console.WriteLine("d.exit");


do
{
    Console.Write("Enter your choice:");
    choice = Console.ReadLine();

    if (choice == "c")
    {
     Console.WriteLine("Congratulation!");
     }
   else if (choice == "q" || choice == "e") { Console.WriteLine("Exiting...!");        break; }
    else Console.WriteLine("Incorrect!");

    Console.Write("Again? press y to continue:");
    con = Console.ReadLine().ToString();
   } while (con == "y");
}
}
}