public class test {/*@param args*/public static void main(string[]args){/test tubelight tubelight=new tubelight(32,50,"white");tubelight.switchon();int**();} ...
接口 public interface money { public int getmoney(int rmb);} 美元 public class dollar implements money { public int getmoney(int rmb){ return rmb*0.1609;} } 港币 public class hongkongdollar implements money...