You will do calculation with the value entered by the user.
You will write a program that accepts a year of birth from the user and calculates the age afterward.
Prompt user with a message, let user input the year of birth.
Convert the user input to int type value.
Create DateTime value from today's date and then get current year value.
Use subtract to get the difference
using System; class Program{/*www.j a va 2s. com*/ static void Main(string[] args){ // Prompting the user Console.Write("Enter year of your birth: "); // Reading line of text string input = Console.ReadLine(); // CONVERING TO NUMBER (of entered text) int yearOfBirth = Convert.ToInt32(input); // Finding this year DateTime today = DateTime.Today; int thisYear = today.Year; // Calculating age int age = thisYear - yearOfBirth; // Outputting the result Console.WriteLine("This year you are/will be: " + age); } }