//看這樣的行嗎？
public?class?StoreCharge?{
public?static?void?main(String[]?args)?{
Scanner?sc?=?new?Scanner(System.in);
System.out.println("輸入應付金額：");
double?x?=?sc.nextDouble();
Price?p1?=?ampayable(x);
System.out.println(p1.toString());
System.out.println("輸入實付金額：");
double?y?=?sc.nextDouble();
Price?p2?=?ampaid(y);
System.out.println(p2.toString());
System.out.println("找零："+charge(p1,p2).toString());
charge(p1,p2);
}
public?static?Price?charge(Price?p1,Price?p2){//p1總貨價?p2收款
int?c,b;
if(p2.conner<p1.conner){
b?=?p2.conner+10-p1.conner;
p2.element?=?p2.element-1;
}else
b?=?p2.conner-p1.conner;
c?=?p2.element?-?p1.element;
return?new?Price(c,b);
}
public?static?Price?ampayable(double?x){//應付金額
Price?a?=?new?Price();
a.element?=?(int)x;
a.conner?=?(int)(x*10?-((int)x)*10);
return?a;
}
public?static?Price?ampaid(double?x){//實付金額
Price?a?=?new?Price();
a.element?=?(int)x;
a.conner?=?(int)(x*10?-((int)x)*10);
return?a;
}
}
class?Price{
int?element;//元
int?conner;//角
public?Price(){}
public?Price(int?e,int?c){
element?=?e;
conner?=?c;
}
public?String?toString(){
return?element+"元"+conner+"角";
}
}