?? orderline.java
字號:
package com.javapatterns.decorator.printinvoice;
import java.text.NumberFormat;
public class OrderLine
{
private String itemName;
private int units;
private double unitPrice;
public String getItemName()
{
return itemName;
}
public void setItemName(String itemName)
{
this.itemName = itemName;
}
public int getUnits()
{
return units;
}
public void setUnits(int units)
{
this.units = units;
}
public double getUnitPrice()
{
return unitPrice;
}
public void setUnitPrice(double unitPrice)
{
this.unitPrice = unitPrice;
}
public void printLine()
{
System.out.println(itemName + "\t" + units
+ "\t" + formatCurrency(unitPrice)
+ "\t" + formatCurrency(getSubtotal()));
}
public double getSubtotal()
{
return unitPrice * units;
}
private String formatCurrency(double amnt)
{
return NumberFormat.getCurrencyInstance().format(amnt);
}
}
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