Java 为什么我不能输入我的号码？

大家好，每当我运行代码时，我都会要求我输入我的姓名、工作小时数和小时工资。这是正确的，但是当它进行计算时，程序使用默认构造函数中的值，而不是我键入的值

import javax.swing.JOptionPane;
public class Payroll
{
private double rate;
private double hours;
private String name;
static double grossPay=0;
static double unionDues=0;
static double medicalCoverage=0;
static double ss=0;
static double medicare=0;
static double state=0;
static double federal=0;
static double netPay=0;
static int numPeople=0;

public Payroll()
{
    rate = 0;
    hours = 0;
    name = "Manmeet Singh";       
}


public void setName(String newName)
{
    name=newName;
}

public void setHours(double newHours)
{
    hours=newHours;
}

public void setRate(double newRate)
{
    rate=newRate;
}

public void calcPay()
{
    double ot=hours-40;
    double otRate=rate*1.5;
    double mediPay=34.61;
    double uniPay=15.25;
    double otgrossPay=((40*rate)+(otRate*ot));
    double noOtPay=(hours*rate);
    double otgrossIncome=((otgrossPay)-(34.61+15.25));
    double grossIncome=((noOtPay)-(34.61+15.25));

    if (hours>40)
  {
        JOptionPane.showMessageDialog(null,"Gross Pay for " +name +" is: $"+otgrossPay);
        JOptionPane.showMessageDialog(null,"Health Deduction is: $"+mediPay);
        JOptionPane.showMessageDialog(null,"Union Deduction is: $"+uniPay);
        if (otgrossIncome>=0 && otgrossIncome<=150)
        {
            System.out.println("Federal Tax Deduction is: $"+(otgrossIncome*.07));
            System.out.println("State Tax Deduction is: $"+(otgrossIncome*.002));
            System.out.println("Social Security Deduction is: $"+(otgrossIncome*.062));
            System.out.println("Medicare Deduction is: $"+(otgrossIncome*.0145));
            System.out.println("Net Pay is: $"+(otgrossIncome-((otgrossIncome*.0145)+(otgrossIncome*.062)+(otgrossIncome*.002)+(otgrossIncome*.07))));
        }
        else if (otgrossIncome>=150.01 && otgrossIncome<=300)
        {
            System.out.println("Federal Tax Deduction is: $"+(otgrossIncome*.098));
            System.out.println("State Tax Deduction is: $"+(otgrossIncome*.021));
            System.out.println("Social Security Deduction is: $"+(otgrossIncome*.062));
            System.out.println("Medicare Deduction is: $"+(otgrossIncome*.0145));
            System.out.println("Net Pay is: $"+(otgrossIncome-((otgrossIncome*.0145)+(otgrossIncome*.062)+(otgrossIncome*.021)+(otgrossIncome*.098))));
        }
        else if (otgrossIncome>=300.01 && otgrossIncome<=600)
        {
           System.out.println("Federal Tax Deduction is: $"+(otgrossIncome*.124));
            System.out.println("State Tax Deduction is: $"+(otgrossIncome*.0386));
           System.out.println("Social Security Deduction is: $"+(otgrossIncome*.062));
            System.out.println("Medicare Deduction is: $"+(otgrossIncome*.0145));
           System.out.println("Net Pay is: $"+(otgrossIncome-((otgrossIncome*.0145)+(otgrossIncome*.062)+(otgrossIncome*.0386)+(otgrossIncome*.124))));
        }
        else if (otgrossIncome>=600)
        {
            System.out.println("Federal Tax Deduction is: $"+(otgrossIncome*.1887));
            System.out.println("State Tax Deduction is: $"+(otgrossIncome*.055));
            System.out.println("Social Security Deduction is: $"+(otgrossIncome*.062));
           System.out.println("Medicare Deduction is: $"+(otgrossIncome*.0145));
            System.out.println("Net Pay is: $"+(otgrossIncome-((otgrossIncome*.0145)+(otgrossIncome*.062)+(otgrossIncome*.055)+(otgrossIncome*.1887))));
        }
        grossPay=otgrossPay+grossPay;
        unionDues=unionDues+unionDues;
        medicalCoverage=medicalCoverage+medicalCoverage;
        ss=0;
        medicare=0;
        state=0;
        federal=0;
        netPay=0;
        numPeople=0;
 }
    else if (hours<=40)
    {
        System.out.println("Gross Pay for " +name + " is: $"+noOtPay);
        System.out.println("Health Deduction is: $"+mediPay);
      System.out.println("Union Deduction is: $"+uniPay);
        if (grossIncome>=0 && grossIncome<=150)
        {
            System.out.println("Federal Tax Deduction is: $"+(grossIncome*.07));
          System.out.println("State Tax Deduction is: $"+(grossIncome*.002));
            System.out.println("Social Security Deduction is: $"+(grossIncome*.062));
            System.out.println("Medicare Deduction is: $"+(grossIncome*.0145));
            System.out.println("Net Pay is: $"+(grossIncome-((grossIncome*.0145)+(grossIncome*.062)+(grossIncome*.002)+(grossIncome*.07))));
        }
        else if (grossIncome>=150.01 && grossIncome<=300)
        {
            System.out.println("Federal Tax Deduction is: $"+(grossIncome*.098));
            System.out.println("State Tax Deduction is: $"+(grossIncome*.021));
            System.out.println("Social Security Deduction is: $"+(grossIncome*.062));
            System.out.println("Medicare Deduction is: $"+(grossIncome*.0145));
            System.out.println("Net Pay is: $"+(grossIncome-((grossIncome*.0145)+(grossIncome*.062)+(grossIncome*.021)+(grossIncome*.098))));
        }
        else if (grossIncome>=300.01 && grossIncome<=600)
        {
            System.out.println("Federal Tax Deduction is: $"+(grossIncome*.124));
            System.out.println("State Tax Deduction is: $"+(grossIncome*.0386));
            System.out.println("Social Security Deduction is: $"+(grossIncome*.062));
            System.out.println("Medicare Deduction is: $"+(grossIncome*.0145));
            System.out.println("Net Pay is: $"+(grossIncome-((grossIncome*.0145)+(grossIncome*.062)+(grossIncome*.0386)+(grossIncome*.124))));
        }
        else if (grossIncome>=600)
        {
            System.out.println("Federal Tax Deduction is: $"+(grossIncome*.1887));
            System.out.println("State Tax Deduction is: $"+(grossIncome*.055));
            System.out.println("Social Security Deduction is: $"+(grossIncome*.062));
            System.out.println("Medicare Deduction is: $"+(grossIncome*.0145));
           System.out.println("Net Pay is: $"+(grossIncome-((grossIncome*.0145)+(grossIncome*.062)+(grossIncome*.055)+(grossIncome*.1887))));
        }
        grossPay=noOtPay+grossPay;
        unionDues=unionDues+uniPay;
        medicalCoverage=mediPay+medicalCoverage;
        ss=0;
        medicare=0;
        state=0;
        federal=0;
        netPay=0;
        numPeople=0;
}
else
{
   System.out.println("You entered a wrong value");
}
} 

public static void main (String [] args)
{

    boolean y=true;
    Payroll singh = new Payroll();


       while(y==true)
   {
         String employeeName=JOptionPane.showInputDialog("Please enter the name");
         String howmanyHours=JOptionPane.showInputDialog("Please enter the number of hours worked ");    
         double hours = Double.parseDouble(howmanyHours);
         String whatWages= JOptionPane.showInputDialog("Please enter the hourly wage ");
         double rate = Double.parseDouble(whatWages);
         if (rate<8.75)
         {
             JOptionPane.showMessageDialog(null," Oh No!! \n You are not being paid the New York State minimum \n Try Again");
         }
         singh.calcPay();
    String x = JOptionPane.showInputDialog("Are there more employees?\n Type y below");
         if (x.equals("y") || x.equals("Y"))
    {
        y = true;
    }
    else 
    {
        y = false;
        System.out.println("Summary of totals: ");
        System.out.println("Number of employees on the payroll: ");
        System.out.println("Total Health: "+medicalCoverage);
        System.out.println("Total Union Dues: "+unionDues);
        System.out.println("Total Federal Taxes: ");
        System.out.println("Total State Taxes: ");
        System.out.println("Total Social Security Taxes: ");
        System.out.println("Total Medicare Taxes: ");
    }

   }

import javax.swing.JOptionPane；
公共类工资单
{
私人双费率；
私人双小时；
私有字符串名称；
静态双格罗斯比=0；
静态双银联=0；
静态双医疗平均值=0；
静态双ss=0；
静态双重医疗保险=0；
静态双态=0；
静态双联邦=0；
静态双网支付=0；
静态int numpople=0；
公共薪金总额（）
{
比率=0；
小时=0；
name=“Manmeet Singh”；
}
public void setName（字符串newName）
{
name=newName；
}
公共无效设置小时数（双倍新小时数）
{
小时=新小时；
}
公共无效设置率（双倍新利率）
{
利率=新利率；
}
公共无效calcPay（）
{
双ot=小时-40；
双三分之一=比率*1.5；
双倍mediPay=34.61；
双倍统一支付=15.25；
双倍总收入=（（40倍税率）+（三倍税率）+）；
双休日=（小时*费率）；
双倍奥特格罗斯科姆=（（奥特格罗斯帕伊）-（34.61+15.25））；
双倍总收入=（（noOtPay）-（34.61+15.25））；
如果（小时数>40）
{
showMessageDialog（null，“为“+name+”支付的总金额为：$”+Otgrospay）；
showMessageDialog（null，“健康扣减为：$”+mediPay）；
showMessageDialog（null，“工会扣减额为：$”+uniPay）；
如果（otgrossIncome>=0&&otgrossIncome=150.01&&otgrossIncome=300.01&&otgrossIncome=600）
{
System.out.println（“联邦税收扣减额为：$”+（otgrossIncome*.1887））；
System.out.println（“州税扣减额为：$”+（otgrossIncome*.055））；
System.out.println（“社会保障扣除额为：$”+（otgrossIncome*.062））；
System.out.println（“医疗保险扣除额为：$”+（otgrossIncome*.0145））；
System.out.println（“净薪酬为：$”+（奥特格罗辛科姆-（（奥特格罗辛科姆*.0145）+（奥特格罗辛科姆*.062）+（奥特格罗辛科姆*.055）+（奥特格罗辛科姆*.1887））；
}
格罗斯佩=奥特格罗斯佩+格罗斯佩；
银联会费=银联会费+银联会费；
医疗平均=医疗平均+医疗平均；
ss=0；
医疗保险=0；
状态=0；
联邦=0；
净支付=0；
numPeople=0；
}
否则如果（小时数=0&&grossIncome=150.01&&grossIncome=300.01&&grossIncome=600）
{
System.out.println（“联邦税收扣减额为：$”+（grossIncome*.1887））；
System.out.println（“州税扣减额为：$”+（grossIncome*.055））；
System.out.println（“社会保障扣除额为：$”+（grossIncome*.062））；
System.out.println（“医疗保险扣除额为：$”+（grossIncome*.0145））；
System.out.println（“净薪酬为：$”+（grossIncome-（（grossIncome*.0145）+（grossIncome*.062）+（grossIncome*.055）+（grossIncome*.1887））；
}
grossPay=noOtPay+grossPay；
银联会费=银联会费+统一支付；
医疗平均=医疗支付+医疗平均；
ss=0；
医疗保险=0；
状态=0；
联邦=0；
净支付=0；
numPeople=0；
}
其他的
{
System.out.println（“您输入了错误的值”）；
}
} 
公共静态void main（字符串[]args）
{
布尔y=真；
Payroll singh=新工资单（）；
while（y==true）
{
字符串employeeName=JOptionPane.showInputDialog（“请输入名称”）；
字符串howmanyHours=JOptionPane.showInputDialog（“请输入工作小时数”）；
双倍小时=double.parseDouble（多少小时）；
字符串whatWages=JOptionPane.showInputDialog（“请输入小时工资”）；
双速率=double.parseDouble（whatWages）；
如果（rate您正在创建一个新的局部变量

double hours = Double.parseDouble(howmanyHours);

它隐藏了小时的类字段，不在其他任何地方使用
您正在将名称、小时数和工资分配给main方法中声明的变量，而不是属于您的
Payroll
对象的变量。例如：

double hours = Double.parseDouble(howmanyHours);

这应该是：

singh.hours = Double.parseDouble(howmanyHours);

您还需要通过这种方式修复分配给singh的其他变量。
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