phonecard.java

有大量的java的实例

class PhoneCard
{
	long  cardNumber;
	private  int  password;
	double  balance;
	String  connectNumber;
	boolean  connected;

	boolean performConnection(long cn,int pw)		
		{
			if(cn == cardNumber && pw == password )
			{
				connected = true;
				return true;
			}
			else
			{
				connected = false;
				return false;
			}
		}
		double getBalance()
		{
			if(connected)
				return balance;
			else
				return -1;
		}
		void performDial()
		{
			if(connected)
				balance -= 0.5;
		}
}