创建了一个返回真值的方法,该对象是5岁以上的对象

问题描述 投票:-1回答:1

我想创建一个返回布尔值的方法。如果销售超过5年或以上,则应返回true;如果销售不到5年,则应返回false。

我已经尝试过,但是似乎无法使它正常工作。如果有人可以考虑一种更有效的方法来完成此任务,那么我会朝着不同的方向发展。

我已经尝试了以下方法,但是无论我进行了什么更改,该方法都会继续出错。 Google对此方法也没有帮助,也没有帮助。

该方法称为isSaleOld()(转到代码底部)

谢谢您的任何帮助。下面是整个项目的代码。

public class Sale
{
// instance variables
private String company;
private String yearBought;
private int saleValue;
private Seller seller;

public Sale(String aCompany, String aYear, int aValue, 
Seller theSeller)
{
  this.company = aCompany;
  this.yearBought = aYear;
  this.saleValue = aValue;
  this.seller = theSeller;
}

public void setSellersName(String aName)
{
  this.seller.setName(aName);
}

public void setSaleValue(int aValue)
{
  this.saleValue = aValue;
}

public void setyearBought(String aYear)
{
  this.yearBought = aYear;
}

public void setCompany(String aCompany)
{
  this.company = aCompany;
}

public int getSaleValue()
{
  return this.saleValue;
}

public boolean isApprovalRequired()
{
  return this.getSaleValue() >=10000;
}

public String getYearBought()
{
  return this.yearBought;
}

public void isSaleOld(String[] args)
{
  yearBought = getYearBought("2020");

  boolean after = yearBought.after(yearBought);
}
}   
java methods boolean
1个回答
0
投票
import java.time.LocalDateTime;

public class Sale {

    private int yearBought;

    public void sale(int year) {
        setYearBought(year);
    }

    private int getYearBought() {
        return this.yearBought;
    }

    private void setYearBought(int year) {
        this.yearBought = year;
    }

    public boolean isSaleOld() {
        int now = LocalDateTime.now().getYear();
        int yearBought = getYearBought();
        if (now - yearBought > 5) {
            System.out.println("Yes, older than 5 years");
            return true;
        }
        System.out.println("No, less than 5 years old");
        return false;
    }

    public static void main(String[] args) {
        Sale sale = new Sale();
        Sale sale2 = new Sale();

        sale.sale(2010);
        sale2.sale(2020);

        sale.isSaleOld();
        sale2.isSaleOld();

    }
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