using System;

public class Program

{

    public static void Main()

    {    bool isDead = false;

         int counter;

         string myName ="rehaf";

         string Test ="print";

         int x=5;

        //while sample

     Console.WriteLine("initial bool value  "+isDead +" you are entering the loop as the condioton !ISdead evaluates to "+ !isDead);

​

        while (!isDead){//while not true (i.e. false) do evrything in  while loop 

            Console.WriteLine("in loop value "+isDead);

​

            Console.WriteLine("enter a number less than 5 to stop loop testing - otherwise enter a number larger than 5"

                             +"\nif you enter a string it will terminate - only int!");

            if( x < 5){

                Console.WriteLine("you will exit the loop now! via break :D ");

                break;}

            Console.WriteLine("sample 4 loop that prints the length of agivin name ( ends when the counter reaches the length of my sting)"); 

            for(counter = 0; counter<myName.Length; counter++){//the counter is usually declared as i -> for clarification only 

                    Console.WriteLine(myName[counter]);}//end of for loop 

        //do while sample

             do {

                     Console.WriteLine("Sample Do while -this will print at least once - even if the exp is false - it evaluates it at the end");

             }while(isDead);//end of do while loop 

​

            Console.WriteLine("sample for each loop - will print \"print\" equal to letters in print"); 

            foreach ( int i in Test){

                Console.WriteLine(Test);}

            Console.WriteLine("enter 10 if you want to exit the loop ( by chaning the boolean value)"); 

            x= int.Parse(Console.ReadLine());   Console.WriteLine(x);

            if( x == 10){

                isDead = true;

                Console.WriteLine("you eill exit the loop because of the boolean value "+ isDead +"not true is false!");

                }       

        }//end of while loop 

     Console.WriteLine("end of while loop");

    }

}