1.6 Use of Placeholders {0}

Question


Write a program to enter your name and display in specific format –You are (your name)- for ex. You are Rohit Patil

Accept two numbers and print their sum, it might look like this . Addition of 4 and 5 is 9.

Solution


class Placeholders
    {
        static void Main(string[] args)
        {
            // program to display name
            String name;
            Console.Write(“Enter your name: “);
            name = Console.ReadLine();
            Console.WriteLine(“You are {0}”, name);         //{0} this is placeholder            // addition of two numbers
            int a, b, c;                            //initialization
            Console.Write(“Enter first number : “);
            a = Convert.ToInt16(Console.ReadLine());
            Console.Write(“Enter second number : “);
            b = Convert.ToInt16(Console.ReadLine());
            c = a + b;                             //calculation for addition
            Console.WriteLine(“Addition of {0} and {1} is {2}”,a,b,c);    //use of placeholder, {0} will replace by value of a, similarly {1} by b and {2} by c
            
        }
    }

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Output


6