teststaticfield.java

关于隐藏域抽象域的例子

public class TestStaticField
{
	public static void main(String args[])
	{
		PhoneCard200 my200_1=new PhoneCard200();
		PhoneCard200 my200_2=new PhoneCard200();
		my200_1.additoryFee=0.1;
		System.out.println("第二张200卡的附加费:"+my200_2.additoryFee);
		System.out.println("200卡类的附加费:"+PhoneCard200.additoryFee);;
    }
}
class PhoneCard200
{
	static String connectNumber="200";
	static double additoryFee;
	long cardNumber;
	int password;
	boolean connected;
	double balance;
}