第14題 按照題目要求編寫的Java接口程序如下
interface IPrice{
public double getPrice();}
public class Car implements IPrice{
private double price; private String name; Car(String name,double price){ this.name=name; this.price=price; } public double getPrice(){ return this.price; } public String getName(){ return this.name; } public static void main(String args[]){ IPrice iprice=new Car("BMW",320000); System.out.println(iprice.getPrice()); }}