Java Programs - Solved 2014 ICSE Computer Science Paper

 import java.util.Scanner;
class Deposit{
    public static void main(String[] args){
        Scanner in = new Scanner(System.in);
        System.out.println("1. Term Deposit");
        System.out.println("2. Recurring Deposit");
        System.out.print("Enter your choice: ");
        int choice = Integer.parseInt(in.nextLine());
        switch(choice){
        case 1:
            System.out.print("Principal: ");
            double p = Double.parseDouble(in.nextLine());
            System.out.print("Rate of interest: ");
            double r = Double.parseDouble(in.nextLine());
            System.out.print("Time period: ");
            double n = Double.parseDouble(in.nextLine());
            double a = p * Math.pow(1 + r / 100, n);
            System.out.println("Maturity amount: " + a);
            break;
        case 2:
            System.out.print("Monthly installment: ");
            p = Double.parseDouble(in.nextLine());
            System.out.print("Rate of interest: ");
            r = Double.parseDouble(in.nextLine());
            System.out.print("Time period: ");
            n = Double.parseDouble(in.nextLine());
            a = p * n + p * n * (n + 1) / 2 * r / 100 * 1 / 12;
            System.out.println("Maturity amount: " + a);
            break;
        default:
            System.out.println("Invalid choice!");
        }
    }
}