E3.4 (BankAccount Class)

public class BankAccount {

    private double balance;

    /**
     * constructor for initial balance of balance
     */
    public BankAccount(double initialValue){
        balance = initialValue;
    }

    /**
     * deposit some amount into the account
     * @param amount
     */
    public void Deposit(double amount){
        balance = balance + amount;
    }

    /**
     * withdraw some amount from the account
     * @param amount
     */
    public void Withdraw(double amount){
        balance = balance - amount;
    }

    /**
     * get the balance so you can print it or whatever
     * @return
     */
    public double GetBalance(){
        return balance;
    }

    /**
     * rate of simple interest in bank account
     * @param rate
     */
    public void addInterest(double rate){
        balance = (balance * (rate/100)) + balance;
    }

}