In this tutorial, we'll guide you through the process of creating efficient programs to calculate and display the area of a rectangle. We'll explore implementations in four popular languages: C, C++, Java, and Python. Follow along as we delve into each language to showcase the versatility of this fundamental geometric calculation.
Problem Statement:
Develop a program that efficiently calculates and displays the area of a rectangle. The program should prompt users for the length and width of the rectangle and use a function to compute the area based on the provided inputs.
Sample Input/Output:
Sample Input | Sample Output |
---|---|
Enter Length: 5 Enter Width: 8 | Area: 40 |
Enter Length: 10 Enter Width: 12 | Area: 120 |
Enter Length: 7 Enter Width: 9 | Area: 63 |
Enter Length: 8 Enter Width: 15 | Area: 120 |
Algorithm:
Start
Prompt user for the length of the rectangle
Read and store the length value
Prompt user for the width of the rectangle
Read and store the width value
Calculate the area using the formula: Area = Length * Width
Display the calculated area
End
Start
Prompt user for the length of the rectangle
Read and store the length value
Prompt user for the width of the rectangle
Read and store the width value
Calculate the area using the formula: Area = Length * Width
Display the calculated area
End
C Programming:
Objective: In this C programming tutorial, we'll utilize the provided length and width inputs to calculate and showcase the area of a rectangle. This implementation ensures precision and efficiency.
#include <stdio.h>
// Function to calculate rectangle area
int calculateRectangleArea(int length, int width) {
return length * width;
}
int main() {
int length, width;
// Prompt user for rectangle dimensions
printf("Enter Length: ");
scanf("%d", &length);
printf("Enter Width: ");
scanf("%d", &width);
// Calculate and display rectangle area using the function
printf("Area: %d\n", calculateRectangleArea(length, width));
return 0;
}
Input/Output:
Enter Length: 5
Enter Width: 8
Area: 40
#include <stdio.h>
// Function to calculate rectangle area
int calculateRectangleArea(int length, int width) {
return length * width;
}
int main() {
int length, width;
// Prompt user for rectangle dimensions
printf("Enter Length: ");
scanf("%d", &length);
printf("Enter Width: ");
scanf("%d", &width);
// Calculate and display rectangle area using the function
printf("Area: %d\n", calculateRectangleArea(length, width));
return 0;
}
C++ Programming:
Objective: In this C++ programming tutorial, we'll leverage the provided length and width to calculate and present the area of a rectangle. The implementation emphasizes readability and functionality.
#include <iostream>
// Function to calculate rectangle area
int calculateRectangleArea(int length, int width) {
return length * width;
}
int main() {
int length, width;
// Prompt user for rectangle dimensions
std::cout << "Enter Length: ";
std::cin >> length;
std::cout << "Enter Width: ";
std::cin >> width;
// Calculate and display rectangle area using the function
std::cout << "Area: " << calculateRectangleArea(length, width) << std::endl;
return 0;
}
#include <iostream>
// Function to calculate rectangle area
int calculateRectangleArea(int length, int width) {
return length * width;
}
int main() {
int length, width;
// Prompt user for rectangle dimensions
std::cout << "Enter Length: ";
std::cin >> length;
std::cout << "Enter Width: ";
std::cin >> width;
// Calculate and display rectangle area using the function
std::cout << "Area: " << calculateRectangleArea(length, width) << std::endl;
return 0;
}
Input/Output:
Enter Length: 10
Enter Width: 12
Area: 120
Java Programming:
Objective: This Java programming tutorial utilizes the input length and width to calculate and present the area of a rectangle. The implementation focuses on efficiency and adheres to Java's readability standards.
import java.util.Scanner;
public class RectangleArea {
// Function to calculate rectangle area
static int calculateRectangleArea(int length, int width) {
return length * width;
}
public static void main(String[] args) {
Scanner scanner = new Scanner(System.in);
int length, width;
// Prompt user for rectangle dimensions
System.out.print("Enter Length: ");
length = scanner.nextInt();
System.out.print("Enter Width: ");
width = scanner.nextInt();
// Calculate and display rectangle area using the function
System.out.println("Area: " + calculateRectangleArea(length, width));
}
}
import java.util.Scanner;
public class RectangleArea {
// Function to calculate rectangle area
static int calculateRectangleArea(int length, int width) {
return length * width;
}
public static void main(String[] args) {
Scanner scanner = new Scanner(System.in);
int length, width;
// Prompt user for rectangle dimensions
System.out.print("Enter Length: ");
length = scanner.nextInt();
System.out.print("Enter Width: ");
width = scanner.nextInt();
// Calculate and display rectangle area using the function
System.out.println("Area: " + calculateRectangleArea(length, width));
}
}
Input/Output:
Enter Length: 7
Enter Width: 9
Area: 63
Python Programming:
Objective: In this Python programming tutorial, we utilize the user input length and width to calculate and showcase the area of a rectangle. The implementation emphasizes simplicity and readability.
# Function to calculate rectangle area
def calculate_rectangle_area(length, width):
return length * width
if __name__ == "__main__":
length = int(input("Enter Length: "))
width = int(input("Enter Width: "))
# Calculate and display rectangle area using the function
print("Area:", calculate_rectangle_area(length, width))
# Function to calculate rectangle area
def calculate_rectangle_area(length, width):
return length * width
if __name__ == "__main__":
length = int(input("Enter Length: "))
width = int(input("Enter Width: "))
# Calculate and display rectangle area using the function
print("Area:", calculate_rectangle_area(length, width))
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