?? item.java
字號(hào):
package com.prefect.ecommerce;
import java.util.*;
public class Item implements Comparable {
private String id;
private String name;
private double retail;
private int quantity;
private double price;
Item(String idIn, String nameIn, String retailIn, String quanIn) {
id = idIn;
name = nameIn;
retail = Double.parseDouble(retailIn);
quantity = Integer.parseInt(quanIn);
if (quantity > 400)
price = retail * .5D;
else if (quantity > 200)
price = retail * .6D;
else
price = retail * .7D;
price = Math.floor( price * 100 + .5 ) / 100;
}
public int compareTo(Object obj) {
Item temp = (Item)obj;
if (this.price < temp.price)
return 1;
else if (this.price > temp.price)
return -1;
return 0;
}
public String getId() {
return id;
}
public String getName() {
return name;
}
public double getRetail() {
return retail;
}
public int getQuantity() {
return quantity;
}
public double getPrice() {
return price;
}
}
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