currentimpl.java

来自「bank account program. if there is savin」· Java 代码 · 共 18 行

public class CurrentImpl implements Current
{
	private double balance;

	public CurrentImpl ()
	{
		balance = 0;
	} 
	
	public void issueCheque(double amount)
	{ 
		balance -= amount;
	}
     	public double getBalance()
	{	return balance;
	}

}