?? abook.java
字號:
public class ABook implements BookCount {
private double account;
private double price;
ABook(double account,double price){
this.account = account;
this.price = price;
}
@Override
public double getBookPrice() {
// TODO Auto-generated method stub
return price*account;
}
public double getPrice(){
return price;
}
public double getAccount(){
return account;
}
}
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