C# Program to Check Whether a Number is Positive or Not


This is a C# Program to accept a number from the user and display it if it is Positive.

Problem Description

This C# Program Accepts a Number from the user and Display it if it is Positive.

Problem Solution

Here if a given number is less than zero then it is displayed as positive else negative.

Program/Source Code

Here is source code of the C# Program to Accept a Number from the user and Display it if it is Positive. The C# program is successfully compiled and executed with Microsoft Visual Studio. The program output is also shown below.

 * C# Program to Accept a Number from the user and Display it 
 * if it is Positive
using System;
class program
    public static void Main(string[] args)
        Console.WriteLine("Enter a number: ");
        int number = Convert.ToInt32(Console.ReadLine());
        if (number > 0)
            Console.WriteLine("Number is positive");
        else if (number == 0)
            Console.WriteLine("Number is 0");
            Console.WriteLine("Number is negative");
Program Explanation

In this C# program, we are reading a number using the ‘number’ variable. Nested if else condition statement is used to check that given number is less than zero. If the condition is true then execute the statement and print the statement as positive. Otherwise, if the condition is false, then execute the else statement and print the statement as the number is 0.

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Runtime Test Cases
Enter a Number : -4 
Number is Negative

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Manish Bhojasia, a technology veteran with 20+ years @ Cisco & Wipro, is Founder and CTO at Sanfoundry. He lives in Bangalore, and focuses on development of Linux Kernel, SAN Technologies, Advanced C, Data Structures & Alogrithms. Stay connected with him at LinkedIn.

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