编写 Remote接口 package FlexConverter; import javax.ejb. i import java rmi k public interface Converter extends EJBObject { public double dollarToYen double dollars) throws RemoteException; public double yenToEuro(double yen throws Remote Exception; } ■定义了两个方法币值换算 dollarToYen:美元到日元换算 a yen ToEuro:日元到欧元换算编写Remote接口 ◼ 定义了两个方法币值换算 ◼ dollarToYen：美元到日元换算 ◼ yenToEuro：日元到欧元换算 package FlexConverter; import javax.ejb.*; import java.rmi.*; public interface Converter extends EJBObject { public double dollarToYen(double dollars) throws RemoteException; public double yenToEuro(double yen) throws RemoteException; }