C# program to multiply given two numbers

C# program to multiply given two numbers

In this article, we will discuss the concept of C# program to multiply given two numbers

In this post, we are going to learn how to write a program to multiply two numbers in C# language

Code to multiply two numbers in C#

Multiplication of two numbers in C#

In this code, we are going to learn how to write a program to multiply two numbers using initialized variables in C# programming language

Program 1

// Calculate multiplication of two integers in C# program 
using System; 
public class Multiplication { //Class declaration
    public static void Main(string[] args) { //main method
        int num1=15; //declare and initailize variable for num1
        int num2=20;  //declare and initailize variable for num2
        int mul=num1*num2; //Calculate multiplication of two numbers
        Console.WriteLine ("The multiplication of two numbers: "+mul); } }
        //display output on the screen

When the above code is executed, it produces the following result

The multiplication of two numbers: 300

 

Multiplication of two numbers in C# – Entered by user

In this example, the user is asked to enter two integer numbers. Then the multiplication of the these two integers is calculated and displayed on the screen in C#

Program 2

// Calculate multiplication of two integers in C# program 
using System; public class Mul_Of_Two_Num { 
    public static void Main(string[] args) { 
        int n1, n2, mul; //declare variables
        Console.WriteLine("Find multiplication of two numbers: "); 
        Console.Write("Input number to n1: "); 
        //Ask input from the user for n1
        n1=Convert.ToInt32(Console.ReadLine());
        //Reading the value for n1
        Console.Write("Input number to n2: ");
          //Ask input from the user for n2
        n2=Convert.ToInt32(Console.ReadLine());
            //Reading the value for n2
        mul=n1*n2; //calculate multiplication
        Console.WriteLine ("The multiplication of given two integers: "+mul); //display result on the screen
        Console.ReadKey(); } }

When the above code is executed, it produces the following result

Find multiplication of two numbers:
Input number to n1: 25
Input number to n2: 30
The multiplication of given two integers: 750

 

In this code, the user asked to enter two integers and the given integers are stored in variables n1 and n2 respectively.

Then those two numbers are multiplied using the multiplication(*) operator and the result is stored in the mul variable.

Finally the display statement is used to print the multiplication of numbers

 

Multiplication of two numbers in C# using function

In this example, the user is asked to enter two integer numbers. Then the multiplication of the these two integers is calculated and displayed on the screen using user-defined function in C#

Program 3

// Write a program calculate product of two numbers using function 
using System; public class 
product_Two_Num_Fun { //class definition 
public static int pro_Num(int num1, int num2) { //user-defined function definition 
int product; //declare integer variable 
product=num1*num2; //calculate multiplication 
return product; //return value to main method 
} 
public static void Main() { //main method 
Console.Write("Enter number for n1: "); 
int n1=Convert.ToInt32(Console.ReadLine()); //get int input from the user for n1 
Console.Write("Enter number for n2: "); 
int n2=Convert.ToInt32(Console.ReadLine()); //get int input from the user for n2 
Console.WriteLine("The multiplication of {0} and {1} is: {2}: ",n1,n2,pro_Num(n1,n2)); } } //display result on the screen

When the above code is executed, it produces the following result

Enter number for n1: 15
Enter number for n2: 12
The multiplication of 15 and 12 is: 180:

 

 

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