week3 c# tut

gistfile1.txt

// int speed = 25;
// System.Console.WriteLine("The car was" + "Travelling at the speed of " + speed + " MPH");

// int age;
// age = 25;
// age++;
// age += 1;

// age--;
// age -= 1;

// // in two years, age will be age + 2
// age += 2; // 27

// age -= 2; // 25
// // System.Console.WriteLine(age);

// double age2 = Convert.ToDouble(age);

// age2 /= 2; // 12 not 12.5

// age *= 2; // 24
// System.Console.WriteLine(age);


// 25.0 / 2; // 12.5


// true false

//       true and true  true
//       true and false false
//       false and false false
//       false and true  false

//       true or true  true
//       true or false true
//       false or false false
//       false or true  true


//       1 + 2 + 3 + 4
// 3 + 3 + 4
// 6 + 4


// (false and true) or (true or false ) and ( false or false) and (true and true)
// (false or true) and (false  and  true)
// true and false
// false


// false or true or false ^ true or false and true and true
// true or false ^ true or false and true and true
// true ^ true or false and true and true
// true or  false and true and true
// true and true and true
// true and true
// true

// false or true or false and false or false and true and true
// true or false and false or false and true and true
// true and false or false and true and true
// false or false and true and true
// false and  true and true
// false and true
// false

// either peace and chidinma to be available before we hold a meeting

// if chidinma and peace
//   hold the meeting
// else if chidinma or peace
//   hold the meeting
// else
//   no meeting

// always go to school monday to friday but not on weekends 
// while the day is monday to friday
//   go to school
// day is saturday
// don't go to school
//  break



// int count = 2;
// int total = 10;
// while (count < total)
// {
//   Console.WriteLine("Count " + count);
//   count++;

//   System.Console.WriteLine("Count is now " + count);
//   if (count == 7)
//     break;
// }

// do
// {
//   Console.WriteLine("Count " + count); // Count 2
//   count++; // count = count + 1 =  3
// }
// while (count < total);

// string name = "Chidinma";

// for (int val = 0; val < name.Length; val = val + 2)
// {
//   System.Console.WriteLine(name[val]);
// }

// foreach (var character in name)
// {
//   System.Console.WriteLine(character);
// }

// string[] DayOfWeek;
// DayOfWeek = new string[7];
// DayOfWeek[0] = "Mon";
// DayOfWeek[1] = "Tue";
// DayOfWeek[2] = "Wec";
// DayOfWeek[3] = "Thur";
// DayOfWeek[4] = "Fri";
// DayOfWeek[5] = "Sat";
// DayOfWeek[6] = "Mon";



// string[] daysOfWeek = { "Mon", "Tues", "Wed", "Thur", "Fri", "Sat", "Sun" };


// int item = Convert.ToInt32(Console.ReadLine());

// switch (item)
// {
//   case 1:
//     Console.WriteLine("case 1");
//     break;

//   case 5:
//     Console.WriteLine("case 5");
//     break;

//   case 9:
//     Console.WriteLine("case 9");
//     break;

//   default:
//     Console.WriteLine("No match found");
//     break;
// }


public static bool compare()
    {
      // Write a method that takes two numbers as input and returns true or false if the two numbers are equal.

      Console.WriteLine("Input two numbers ");

      Console.Write("Input first number: ");
      int number1;
      number1 = Convert.ToInt32(Console.ReadLine());

      Console.Write("Input second number: ");
      int number2;
      number2 = Convert.ToInt32(Console.ReadLine());
      return number1 == number2;
    }

    public static void login()
    {
      // Write a method that takes userid and password as input (type string). After 3 wrong attempts, user will be
      // rejected. Method must print appropriate message for success and for running out of tries.
      // Hint: You need an if statement that checks the two inputs against set values (For example userId = “mo”,
      // password = “secret” – the inputs are compared to “mo”, and “secret”). Also, you need to have a counter to
      // record number of attempts. You need a while loop to make sure up to 3 attempts are allowed.

      for (int counter = 0; counter < 3; counter++)
      {
        Console.Write("userid: ");
        string userid = Console.ReadLine();

        Console.Write("password: ");
        string password = Console.ReadLine();

        if (userid == "mo" && password == "secret")
        {
          System.Console.WriteLine("Login is successful");
          break;
        }
        else
        {
          System.Console.WriteLine("Login is unsuccessful");
        }
      }
    }