public class Ex28_BankAccount
{
	private double balance;
	
	//constructor
	public Ex28_BankAccount()
	{
		balance = 0.0;
	}	
	
	//overloading constructor
	public Ex28_BankAccount(double startBalance)
	{
		balance = startBalance;
	}	
	
	public Ex28_BankAccount(String str)
	{
		balance = Double.parseDouble(str);
	}	
	
	public void deposit(double amount)
	{
		balance += amount;
	}
	
	//overloading method above
	public void deposit(String str)
	{
		balance += Double.parseDouble(str);
	}
	
	public void withdraw(double amount)
	{
		balance -= amount;
	}
	
	//overloading method above
	public void withdraw(String str)
	{
		balance -= Double.parseDouble(str);
	}
	
	public double getBalance()
	{
		return balance;
	}
	
}