CODE TO CREATE A SHARE COMPOUNDING CALCULATOR IN JAVA

import java.util.Scanner;

public class ShareCompoundingCalculator {

    public static void main(String[] args) {
        // Create a Scanner object to capture input
        Scanner scanner = new Scanner(System.in);

        // Input: Initial investment
        System.out.print("Enter the initial investment (in currency): ");
        double principal = scanner.nextDouble();

        // Input: Annual interest rate (percentage)
        System.out.print("Enter the annual interest rate (in %): ");
        double annualInterestRate = scanner.nextDouble();

        // Input: Number of years
        System.out.print("Enter the number of years: ");
        int years = scanner.nextInt();

        // Input: Number of times interest is compounded per year
        System.out.print("Enter the number of times the interest is compounded per year: ");
        int timesCompounded = scanner.nextInt();

        // Calculate the compounded amount using the formula
        double compoundedAmount = calculateCompoundedAmount(principal, annualInterestRate, years, timesCompounded);

        // Output the result
        System.out.printf("After %d years, your investment will grow to: %.2f\n", years, compoundedAmount);
    }

    /**
     * Method to calculate the compounded amount
     * Formula: A = P (1 + r/n)^(nt)
     * Where:
     * A = the future value of the investment/loan, including interest
     * P = the principal investment amount (initial deposit or loan amount)
     * r = annual interest rate (decimal)
     * t = number of years the money is invested or borrowed for
     * n = number of times that interest is compounded per unit t
     */
    public static double calculateCompoundedAmount(double principal, double annualInterestRate, int years, int timesCompounded) {
        // Convert percentage to decimal
        double ratePerPeriod = annualInterestRate / 100;

        // Apply the compound interest formula
        return principal * Math.pow(1 + (ratePerPeriod / timesCompounded), timesCompounded * years);
    }
}