Executable module

Introduction:

In the realm of computer science, executable modules are fundamental building blocks that enable the creation and execution of software applications. These modules are essential components that encapsulate specific functionalities and can be executed independently or as part of a larger program. In this article, we will explore the concept of executable modules, their significance, and provide code examples in popular programming languages such as C#, JavaScript, Python, and PHP.

Understanding Executable Modules:

An executable module refers to a unit of code that can be executed independently. It contains a set of instructions and data that perform a specific task or provide a particular functionality. These modules can be compiled into machine code or interpreted at runtime, depending on the programming language and environment.
Executable modules serve as the building blocks for software development, allowing developers to modularize their code and enhance reusability. By breaking down complex tasks into smaller modules, developers can improve code organization, maintainability, and debugging efficiency.
Code Examples in C#:
Let's take a look at a simple example of an executable module in C#:

In this example, the Calculator class represents an executable module that provides two methods: Add and Subtract. These methods can be called independently to perform addition and subtraction operations.

Code Examples in JavaScript:

Now, let's explore an executable module example in JavaScript:

In this JavaScript example, the MathUtils object acts as an executable module with add and subtract methods. These methods can be invoked independently to perform addition and subtraction operations.

Code Examples in Python:

Moving on to Python, here's an example of an executable module:

In this Python example, the add and subtract functions represent the executable module. These functions can be called independently to perform addition and subtraction operations.

Code Examples in PHP:

Lastly, let's explore an executable module example in PHP:

In this PHP example, the Calculator class serves as an executable module with add and subtract static methods. These methods can be invoked independently to perform addition and subtraction operations.

Code Examples

C#
using System;

public class Calculator
{
    public static int Add(int a, int b)
    {
        return a + b;
    }

    public static int Subtract(int a, int b)
    {
        return a - b;
    }
}

public class Program
{
    public static void Main()
    {
        int result = Calculator.Add(5, 3);
        Console.WriteLine("Addition Result: " + result);

        result = Calculator.Subtract(10, 4);
        Console.WriteLine("Subtraction Result: " + result);
    }
}

JavaScript
const MathUtils = {
  add: (a, b) => {
    return a + b;
  },

  subtract: (a, b) => {
    return a - b;
  }
};

console.log("Addition Result:", MathUtils.add(5, 3));
console.log("Subtraction Result:", MathUtils.subtract(10, 4));

Python
def add(a, b):
    return a + b

def subtract(a, b):
    return a - b

print("Addition Result:", add(5, 3))
print("Subtraction Result:", subtract(10, 4))

PHP
<?php
class Calculator {
    public static function add($a, $b) {
        return $a + $b;
    }

    public static function subtract($a, $b) {
        return $a - $b;
    }
}

echo "Addition Result: " . Calculator::add(5, 3) . "&sol;n";
echo "Subtraction Result: " . Calculator::subtract(10, 4) . "&sol;n";
?>

Conclusion