C# Control Statements => If Else Statement

C# control statements with a simple if else statement to check negative and positive numbers.

 

Intro

• Beginner C# tutorial right here.
• We've used Visual Studio as our IDE.
• The code is well commented for easier understanding.

Common Questions we answer

With this simple example we explore the following :

• How to use If-Else statement in C#.
• How to determine negative and positive numbers.
• How to loop throgh an array.
• How to use a ForEach loop.
• How to write or read from console.

Tools Used

• IDE : Visual Studio 2013
• OS : Windows 8.1

Source Code

Here's the source code :

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace If_Stmt
{
    class Program
    {
        static readonly int[] numbers={2,-8,9,5,-7,3,-4};
        static void Main(string[] args)
        {
            foreach (var num in numbers)
            {
                if (num < 0)
                {
                    Console.WriteLine(num+" is negative");
                }
                else
                {
                    Console.WriteLine(num + " is Positive");

                }
            }
            Console.ReadKey();
        }
    }
}

Result

C# If Else statement

How To Run

• Just copy the project above.
• Open the Visual Studio.
• From the Menu bar click on File -> New -> Visual C# -> Console
• Type the project name.
• Paste the code in the program.cs file
• Click Start to run the project

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Oclemy,Cheers.