import java.util.InputMismatchException;
import java.io.IOException;
import java.io.FileOutputStream;
import java.util.Scanner;
import java.util.Properties;

public class CalculateInterestTest {
	public static void main (String [] args){
		//Variables
		Double Principal
		System.out.println("Interest Calculator by Albert Shin");
		Properties config = new Properties();

		try{
			System.out.println("Seems it's like your first time. Please insert the following variables");
			System.out.println("What is the principal? (Please enter it in a money format. Ex: 34.50");
			Scanner scan = new Scanner(System.in);
			Principal = scan.nextDouble();
			//Sets variables
			config.setProperty("database", "localhost");
    		config.setProperty("dbuser", "mkyong");
    		config.setProperty("dbpassword", "password");
    		//Saves the properties file
    		config.store(new FileOutputStream("config.properties"), null);
		} catch (IOException e){
			e.printStackTrace();

		}
			System.out.println("Please input your choice.");
			System.out.println("");
			System.out.println("1 - Simple Interest");
			System.out.println("2 - Compound Interest");
			System.out.println("3 - Get me out of here!");
			System.out.println("");
			System.out.println("Enter your choice: ");

			Scanner scan = new Scanner(System.in);
			int Choice = 0;
			boolean sucessful = false;
			try
			{
				Choice = scan.nextInt();
				sucessful = true;
			}
			catch (InputMismatchException error)
			{
				System.out.println("Invalid input!");
			}

			if (Choice == 1){

			}
	}

	private static double SimpleInterest(){
		//Variables
		Double Principal;
		System.out.println("");
		System.out.println("====================================");
		System.out.println("Welcome to the Simple Interest Menu!");
		System.out.println("====================================");
		System.out.println("");
		System.out.println("Please enter your prinicpal.");
		Scanner scan = new Scanner(System.in);
		double CalcSimpInterest
		return CalcSimpInterest;

	}
}