how to do if statements in c# code example

Example 1: c# else if

string emotions;
emotions = Console.ReadLine();
//for emotions say the user input was either
//happy,sad and mad
if (emotions == "happy")
{
  Console.Write("You are happy");
}
else if (emotions == "sad")
{
    Console.Write("You are sad");
}
else if (emotions == "mad")
{
    Console.Write("You are mad");
}
else
{
    Console.Write("Unknown input");
}

Example 2: c# if statement

using System;
namespace DecisionMaking 
{
   class Program 
   {
      static void Main(string[] args) 
      {
         /* local variable definition */
         int a = 10;
        
         /* check the boolean condition using if statement */
         if (a < 20) 
         {
            /* if condition is true then print the following */
            Console.WriteLine("a is less than " + a); //output: a is less than 20
         }
         Console.ReadLine();
      }
   }
}