C# program to find the largest of three numbers

C# program to find largest of three numbers

Syntax using if-else:

    if (a > b && a > c)
        large = a;
    else if (b > a && b > c)
        large = b;
    else
        large = c;


Syntax using the ternary operator:

    large = (a > b && a > c) ? a : (b > a && b > c) ? b : c;

C# code to find largest of three numbers:

// C# program to find largest of three numbers 
using System;
using System.IO;
using System.Text;

namespace JustTechReview
{
    class Test
    {
        // Main Method 
        static void Main(string[] args)
        {
            int a;
            int b;
            int c;
            int large;

            //input the numbers
            Console.Write("Enter first number : ");
            a = Convert.ToInt32(Console.ReadLine());
            Console.Write("Enter second number: ");
            b = Convert.ToInt32(Console.ReadLine());
            Console.Write("Enter third number : ");
            c = Convert.ToInt32(Console.ReadLine());

            //finding largest number using if-else
            if (a > b && a > c)
                large = a;
            else if (b > a && b > c)
                large = b;
            else large = c;

            //printing 
            Console.WriteLine("Using if-else...");
            Console.WriteLine("Largest number is {0}", large);

            //finding largest number using ternary operator 
            large = (a > b && a > c) ? a : (b > a && b > c) ? b : c;

            //printing 
            Console.WriteLine("Using ternary operator...");
            Console.WriteLine("Largest number is {0}", large);

            //hit ENTER to exit the program
            Console.ReadLine();
        }
    }
}

Output

First run:
Enter first number : 10
Enter second number: 20
Enter third number : 30
Using if-else...
Largest number is 30
Using ternary operator...
Largest number is 30

Second run:
Enter first number : 10
Enter second number: 30
Enter third number : 20
Using if-else...
Largest number is 30
Using ternary operator...
Largest number is 30

Third run:
Enter first number : 30
Enter second number: 20
Enter third number : 10
Using if-else...
Largest number is 30
Using ternary operator...
Largest number is 30

Fourth run:
Enter first number : 10
Enter second number: 20
Enter third number : 20
Using if-else...
Largest number is 20
Using ternary operator...
Largest number is 20

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