Untitled

import java.util.Scanner;

public class FinancialPlanningCalculator {

    // Method to calculate future value of an investment
    public static double calculateFutureValue(double principal, double rate, int years) {
        return principal * Math.pow(1 + rate / 100, years);
    }

    // Method to calculate monthly savings required to achieve a goal
    public static double calculateMonthlySavings(double goalAmount, double rate, int years) {
        double monthlyRate = rate / (12 * 100);
        int months = years * 12;
        return goalAmount * monthlyRate / (Math.pow(1 + monthlyRate, months) - 1);
    }

    // Method to calculate loan EMI (Equated Monthly Installment)
    public static double calculateEMI(double loanAmount, double rate, int years) {
        double monthlyRate = rate / (12 * 100);
        int months = years * 12;
        return (loanAmount * monthlyRate * Math.pow(1 + monthlyRate, months)) / (Math.pow(1 + monthlyRate, months) - 1);
    }

    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

        System.out.println("Welcome to the Financial Planning Calculator!");
        System.out.println("Choose an option:");
        System.out.println("1. Calculate Future Value of Investment");
        System.out.println("2. Calculate Monthly Savings for a Goal");
        System.out.println("3. Calculate Loan EMI");
        System.out.print("Enter your choice: ");
        int choice = scanner.nextInt();

        switch (choice) {
            case 1:
                System.out.print("Enter initial investment amount: ");
                double principal = scanner.nextDouble();
                System.out.print("Enter annual interest rate (in %): ");
                double rate = scanner.nextDouble();
                System.out.print("Enter number of years: ");
                int years = scanner.nextInt();
                double futureValue = calculateFutureValue(principal, rate, years);
                System.out.printf("Future value of the investment: %.2f\n", futureValue);
                break;

            case 2:
                System.out.print("Enter your goal amount: ");
                double goalAmount = scanner.nextDouble();
                System.out.print("Enter annual interest rate (in %): ");
                rate = scanner.nextDouble();
                System.out.print("Enter number of years: ");
                years = scanner.nextInt();
                double monthlySavings = calculateMonthlySavings(goalAmount, rate, years);
                System.out.printf("Monthly savings required: %.2f\n", monthlySavings);
                break;

            case 3:
                System.out.print("Enter loan amount: ");
                double loanAmount = scanner.nextDouble();
                System.out.print("Enter annual interest rate (in %): ");
                rate = scanner.nextDouble();
                System.out.print("Enter loan tenure (in years): ");
                years = scanner.nextInt();
                double emi = calculateEMI(loanAmount, rate, years);
                System.out.printf("Monthly EMI: %.2f\n", emi);
                break;

            default:
                System.out.println("Invalid choice. Please restart the program.");
        }

        scanner.close();
    }
}