Ex8_14 코드
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package org.javaro.lecture;
public class Ex8_14 {
public static void main(String[] args) {
// TODO Auto-generated method stub
System.out.println("조병수-20191107-상속");
BeverageX coke = new BeverageX("콜라",2000,15);
coke.printTitle(); coke.printData();
BeverageX tea = new BeverageX("녹차",3000,20);
tea.printData();
Liquor vodka=new Liquor("보드카",20000,2,35.0f);
vodka.printTitle(); vodka.printData();
int sum=coke.getTotal()+tea.getTotal()+vodka.getTotal();
System.out.println("전체합계="+sum);
}
}
class BeverageX{
String product; int price; int quantity;
public BeverageX(String product, int price, int quantity) {
this.product=product;
this.price=price;this.quantity=quantity;
}
public String getProduct() {
return this.product;}
public int getPrice() {
return this.price;}
public int getQuantity() {
return this.quantity; }
public int getTotal() {
return this.price*this.quantity; }
void printTitle() {
System.out.println("제품명\t단가\t수량\t금액"); }
void printData() {
System.out.println(this.product+"\t"+this.price+"\t"+this.quantity+"\t"+this.getTotal()); }
}
class Liquor extends BeverageX{
float alcohol;
public Liquor(String product, int price, int quantity, float alcohol) {
super(product,price,quantity);
this.alcohol=alcohol;
}
void printTitle() {
System.out.println("제품명(알콜)\t단가\t수량\t금액");
}
void printData() {
System.out.println(this.product+"("+this.alcohol+")"+"\t"+this.price+"\t"+this.quantity+"\t"+this.getTotal());
}
}
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