maledriver.java

Java与面向对象程序设计实验教学讲义.复数类的实现,复数类的复杂运算,身份证号码的分析,图形界面设计

package drive;

public class MaleDriver extends Driver
{
        public MaleDriver( ) { }
        public void drives(Vehicle v)
        { v.drivedByMaleDriver(this); }
}