java

findPerimeterPentagon()

Parameters: double sideLength

Length of a side of the pentagon as a double

Returns: Returns the perimeter of the pentagon as a double

The function findPerimeterPentagon accepts an input parameter representing one side of regular pentagon and returns the total perimeter.

Variables
Arithmetic Operations
Functions
Easy dificulty

Creating a Java Function to Calculate the Perimeter of a Pentagon

Greetings, fellow programmer! Today's blog post is going to take you on a coding journey as we venture into the realm of Java. We'll be tackling how to code a neat little function, specifically tailored to figure out the perimeter of a pentagon. Don't worry, each step of our journey will be explained in detail, making sure you're not lost along the way. Happy coding!

Step 1: Understanding the Problem

First, to calculate the perimeter of a pentagon, we need to know that a pentagon has 5 sides. The formula to find the perimeter is simply '5 times the length of one side'. In this function, we will be given the length of one side and we will return the perimeter of the pentagon.

Step 2: Write the Method Signature

In Java, we define a method by writing its visibility, return type, method name and parameters. Here, we assume that our method is public and needs to return double which is the perimeter. It takes one parameter, the length of a side which is also double.

public double findPerimeterPentagon(double side)

Step 3: Calculate the Perimeter

Using the given length of a side, we calculate the perimeter which is 5 times the length of the side.

public double findPerimeterPentagon(double side) {
    return 5 * side;
}

Step 4: Return the Result

This function executes the perimeter calculation then returns this value, completing the function. The final function looks like this:

public double findPerimeterPentagon(double side) {
    return 5 * side;
}

Conclusion

Writing a function to calculate the perimeter of a pentagon is quite straightforward. We need to define our method correctly in Java, calculate the perimeter by multiplying the length of one side by 5, and finally return this result. If you want to work with a pentagon of an unknown or variable side length, you could apply this function inside a loop or another function.

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Perimeter of Pentagon

Calculates the perimeter of a pentagon by multiplying side length by 5

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Mathematical principle

The principle used here is 'multiplication', which is a basic arithmetic operation. Perimeter of a regular pentagon is simply `5 * side length`. Hence it is very straightforward and involves no complex formula or calculation. The complexity level is '1', making it suitable for beginners.

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