/**
 * A class that creates a savings account.
 */
public class SavingsAccount
{
    /**
     * Constructs a savings account with an initial balance an interest rate.
     * @param initialBalance The initial amount in the account.
     * @param interest The percentage of interest.
     */
    public SavingsAccount(double initialBalance, int interest)
    {
        balance = initialBalance;
        interest_rate = interest;
    }
    /**
     * Deposits a given amount of money into the account.
     * @param amount The amount to deposit.
     */
    public void deposit(double amount)
    {
        double newBalance = balance + amount;
        balance = newBalance;
    }
    /**
     * Withdraws a given amount of money from an account.
     * @param amount The amount to withdraw.
     */
    public void withdraw(double amount)
    {
        double newBalance = balance - amount;
        balance = newBalance;
    }
    /**
     * Gets the current balance of the account.
     */
    public double getBalance()
        {
            return balance;
        }
        /**
         * Calculates interest and adds it to the account.
         */
        public void addInterest()
        {
            newBalance = balance*(interest_rate/100) + balance;
            balance = newBalance;
        }
   
private double newBalance;
private double balance;
private double interest_rate;
}