Java 错误：表达式void inputInfo（）的启动非法；

我知道像这样的问题以前已经被回答过，但我似乎找不到任何分号缺失。那么，我的代码员怎么了？请帮忙

我的任务是：开发一个Java应用程序来计算不同类型员工的月工资。employee类型是基于父基类employee在子类数组中创建的。为每个类和驱动程序类提供初始代码。下面是我为主课准备的内容。当我将inputInfo方法置于main之外，然后尝试使用它时，会收到大量错误消息，例如：

错误：找不到符号
收益=输入。nextDouble（）；
^
符号：可变收益
位置：类别PayrollSystemTest
PayrollSystemTest.java:68:错误：找不到符号
收益=输入。nextDouble（）；
^
符号：变量输入
位置：类别PayrollSystemTest
PayrollSystemTest.java:69:错误：找不到符号
dob=新日期（月、日、年）；
^
符号：可变dob
位置：类别PayrollSystemTest
PayrollSystemTest.java:69:错误：找不到符号
dob=新日期（月、日、年）；
^
符号：可变月份
位置：类别PayrollSystemTest
PayrollSystemTest.java:69:错误：找不到符号
dob=新日期（月、日、年）；
^
符号：可变日
位置：类别PayrollSystemTest
PayrollSystemTest.java:69:错误：找不到符号
dob=新日期（月、日、年）；
^
符号：可变年份
位置：类别PayrollSystemTest
PayrollSystemTest.java:70:错误：找不到符号
SalariedEmployee salariedEmployee1=新的SalariedEmployee（名字、姓氏、socialNum、dob、收入）；
^
符号：变量名
位置：类别PayrollSystemTest
PayrollSystemTest.java:70:错误：找不到符号
SalariedEmployee salariedEmployee1=新的SalariedEmployee（名字、姓氏、socialNum、dob、收入）；
^
符号：变量lastName
位置：类别PayrollSystemTest
PayrollSystemTest.java:70:错误：找不到符号
SalariedEmployee salariedEmployee1=新的SalariedEmployee（名字、姓氏、socialNum、dob、收入）；
^
符号：变量socialNum
位置：类别PayrollSystemTest
PayrollSystemTest.java:70:错误：找不到符号
SalariedEmployee salariedEmployee1=新的SalariedEmployee（名字、姓氏、socialNum、dob、收入）；
^
符号：可变dob
位置：类别PayrollSystemTest
PayrollSystemTest.java:70:错误：找不到符号
SalariedEmployee salariedEmployee1=新的SalariedEmployee（名字、姓氏、socialNum、dob、收入）；
^
符号：可变收益
位置：类别PayrollSystemTest
PayrollSystemTest.java:75:错误：找不到符号
收益=输入。nextDouble（）；
^
符号：可变收益
位置：类别PayrollSystemTest
PayrollSystemTest.java:75:错误：找不到符号
收益=输入。nextDouble（）；
^
符号：变量输入
位置：类别PayrollSystemTest
PayrollSystemTest.java:76:错误：找不到符号
dob=新日期（月、日、年）；
^
符号：可变dob
位置：类别PayrollSystemTest
PayrollSystemTest.java:76:错误：找不到符号
dob=新日期（月、日、年）；
^
符号：可变月份
位置：类别PayrollSystemTest
PayrollSystemTest.java:76:错误：找不到符号
dob=新日期（月、日、年）；
^
符号：可变日
位置：类别PayrollSystemTest
PayrollSystemTest.java:76:错误：找不到符号
dob=新日期（月、日、年）；
^
符号：可变年份
位置：类别PayrollSystemTest
PayrollSystemTest.java:77:错误：找不到符号
SalariedEmployee salariedEmployee2=新的SalariedEmployee（名字、姓氏、socialNum、dob、收入）；
^
符号：变量名
位置：类别PayrollSystemTest
PayrollSystemTest.java:77:错误：找不到符号
SalariedEmployee salariedEmployee2=新的SalariedEmployee（名字、姓氏、socialNum、dob、收入）；
^
符号：变量lastName
位置：类别PayrollSystemTest
PayrollSystemTest.java:77:错误：找不到符号
SalariedEmployee salariedEmployee2=新的SalariedEmployee（名字、姓氏、socialNum、dob、收入）；
^
符号：变量socialNum
位置：类别PayrollSystemTest
PayrollSystemTest.java:77:错误：找不到符号
SalariedEmployee salariedEmployee2=新的SalariedEmployee（名字、姓氏、socialNum、dob、收入）；
^
符号：可变dob
位置：类别PayrollSystemTest
PayrollSystemTest.java:77:错误：找不到符号
SalariedEmployee salariedEmployee2=新的SalariedEmployee（名字、姓氏、socialNum、dob、收入）；
^
符号：可变收益
位置：类别PayrollSystemTest
PayrollSystemTest.java:82:错误：找不到符号
grossales=input.nextDouble（）；
^
import java.util.Scanner;
public class PayrollSystemTest
{

    public static void main( String args[] )
    {

        Employee employees[] = new Employee[ 5 ];
        int i = 0;
        inputInfo();
        System.out.print("What are the earnings of the salaried 
                employee?");
        earnings = input.nextDouble();
        dob = new Date(month, day, year);
        SalariedEmployee salariedEmployee1 = new 
            SalariedEmployee(firstName, lastName, socialNum, dob, 
                    earnings);
        employees[i] = salariedEmployee1; i++;

        inputInfo();
        System.out.print("What are the earnings of the next salaried 
                employee?");
        earnings = input.nextDouble();
        dob = new Date(month, day, year);
        SalariedEmployee salariedEmployee2 = new 
            SalariedEmployee(firstName, lastName, socialNum, dob, 
                    earnings);
        employees[i] = salariedEmployee2; i++;

        inputInfo();
        System.out.print("What are the gross sales of the commission 
                employee?");
        grossSales = input.nextDouble();
        System.out.print("What is the commission rate?");
        commissionRate = input.nextDouble();
        dob = new Date(month, day, year);
        CommissionEmployee commissionEmployee = new 
            CommissonEmployee(firstName, lastName, socialNum, dob, 
                    grossSales, commissonRate);
        employees[i] = commissionEmployee; i++;

        inputInfo();
        System.out.print("What are the gross sales of the base plus 
                commission employee?");
        grossSales = input.nextDouble();
        System.out.print("What is the commission rate?");
        commissionRate = input.nextDouble();
        System.out.print("What is the base salary of the base plus 
                commission employee?");
        baseSalary = input.nextDouble();
        dob = new Date(month, day, year);
        BasePlusCommissionEmployee basePlusCommissionEmployee = new 
            BasePlusCommissionEmployee(firstName, lastName, 
                    socialNum, 
                    dob, grossSales, commissionRate, baseSalary);
        employees[i] = basePlusCommissionEmployee; i++;

        inputInfo();
        System.out.print("What is the wage of the hourly 
                employee?");
        wage = input.nextDouble();
        System.out.print("What are the hours of the hourly 
                employee?");
        hours = input.nextDouble();
        dob = new Date(month, day, year);
        HourlyEmployee hourlyEmployee = new 
            HourlyEmployee(firstName, 
                    lastName, socialNum, dob, wage, hours);
        employees[i] = hourlyEmployee; i++;
        System.out.println( "Employees processed polymorphically:\n" 
                );
        // generically process each element in array employees

        for ( Employee currentEmployee : employees )

        {

            System.out.println( currentEmployee ); // invokes 
            toString

                if(currentEmployee instanceof SalariedEmployee)
                {
                    SalariedEmployee employee = (SalariedEmployee) 
                        currentEmployee;
                    double oldBaseSalary = employee.getWeeklySalary();
                    employee.setWeeklySalary(4 * oldBaseSalary);
                    System.out.printf("earned: ", employee.earnings());
                }
            if(currentEmployee instanceof HourlyEmployee)
            {
                HourlyEmployee employee = (HourlyEmployee) currentEmployee;
                double oldBaseSalary = employee.getHours() * 
                    employee.getWage();
                employee.setWage(4 * oldBaseSalary);
                System.out.printf("earned: ", employee.getWage());
            }
            if(currentEmployee instanceof CommissionEmployee)
            {
                CommissionEmployee employee = (CommissonEmployee) 
                    currentEmployee;
                double oldBaseSalary = employee.getGrossSales() * 
                    employee.getCommissionRate();
                employee.setGrossSales(4 * oldBaseSalary);
                System.out.printf("earned: ", employee.getGrossSales());
            }
            // determine whether element is a BasePlusCommissionEmployee

            if ( currentEmployee instanceof BasePlusCommissionEmployee )

            {

                // downcast Employee reference to

                // BasePlusCommissionEmployee reference

                BasePlusCommissionEmployee employee =

                    ( BasePlusCommissionEmployee ) currentEmployee;



                double oldBaseSalary = employee.getBaseSalary();

                employee.setBaseSalary( 4 * oldBaseSalary );

                System.out.printf(

                        "new base salary with 10%% increase is: $%,.2f\n",

                        employee.getBaseSalary() );

            } // end if



            System.out.printf(

                    "earned $%,.2f\n\n", currentEmployee.earnings() );

        } // end for



        // get type name of each object in employees array

        for ( int j = 0; j < employees.length; j++ )

            System.out.printf( "Employee %d is a %s\n", j,

                    employees[ j ].getClass().getName() );

    } // end main

    static void inputInfo()
    {
        Scanner input = new Scanner(System.in);
        String firstName;
        String lastName;
        String socialNum;
        double earnings;
        int month;
        int day;
        int year;
        double wage;
        double hours;
        double grossSales;
        double commissionRate;
        double baseSalary;
        Date dob = new Date();

        System.out.print("What is the first name of the employee?");
        firstName = input.next();
        System.out.print("What is the last name of the employee?");
        lastName = input.next();
        System.out.print("What is the social security number of the 
                employee?");
        socialNum = input.next();
        System.out.print("What month was the employee born?");
        month = input.nextInt();
        System.out.print("What day was the employee born?");
        day = input.nextInt();
        System.out.print("What year was the employee born?");
        year = input.nextInt();
    }


} // end class PayrollSystemTest

package test.file;

import java.util.Date;
import java.util.Scanner;

public class PayrollSystemTest {



  public static void main(final String args[]) {
    inputInfo();
  }

  static void inputInfo() {



    double baseSalary;

  double commissionRate;

  int day;

  Date dob = new Date();

  double earnings;

  String firstName;

  double grossSales;

  double hours;

  Scanner input = new Scanner(System.in);

  String lastName;

  int month;

  String socialNum;

  double wage;

  int year;
    System.out.print("What is the first name of the employee?");
    firstName = input.next();
    System.out.print("What is the last name of the employee?");
    lastName = input.next();
    System.out.print("What is the social security number of the employee?");
    socialNum = input.next();
    System.out.print("What month was the employee born?");
    month = input.nextInt();
    System.out.print("What day was the employee born?");
    day = input.nextInt();
    System.out.print("What year was the employee born?");
    year = input.nextInt();
  }

}