C#: if…else Statement Cheat Sheet

if(boolean_expression) {
   /* statement(s) will execute if the boolean expression is true */
} else {
   /* statement(s) will execute if the boolean expression is false */
}

Example

Live Demo

using System;

namespace DecisionMaking {
   class Program {
      static void Main(string[] args) {
         /* local variable definition */
         int a = 100;
         
         /* check the boolean condition */
         if (a < 20) {
            /* if condition is true then print the following */
            Console.WriteLine("a is less than 20");
         } else {
            /* if condition is false then print the following */
            Console.WriteLine("a is not less than 20");
         }
         Console.WriteLine("value of a is : {0}", a);
         Console.ReadLine();
      }
   }
}

=> output

a is not less than 20;
value of a is : 100

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