In C#, Find Square Root Of Positive Number With Exception Handling
using System; namespace cs1 { class FindSquareRoot { static void Main(string[] args) { double num, sqrt; Console.Write("Find square root of: "); string input = Console.ReadLine(); try{ num = double.Parse(input); if(0 > num) throw new ApplicationException("Number can't be negative."); sqrt = Math.Sqrt(num); Console.WriteLine("Square root is {0}", sqrt); } catch (FormatException e){ Console.WriteLine("The input should be a number."); sqrt = 0; } catch (ApplicationException e){ Console.WriteLine(e.Message); sqrt = 0; } } } } Download