Java 类对象的综合运用

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1.Employee.java
package Message;
import java.util.Date;

class Employee {
    private String name;
    private int birthMonth;

    public Employee(String name, int birthMonth) {
        this.name = name;
        this.birthMonth = birthMonth;
    }

    public double getSalary(int month) {
        double salary = 0.0;  // 假设基本工资为5000元
        salary = 5000.0;
        if (birthMonth == month) {
            salary += 100.0;
        }
        return salary;
    }
}

2.SalariedEmployee.java
package Message;

class SalariedEmployee extends Employee {
    private double monthlySalary;

    public SalariedEmployee(String name, int birthMonth, double monthlySalary) {
        super(name, birthMonth);
        this.monthlySalary = monthlySalary;
    }

    public double getMonthlySalary() {
        return monthlySalary;
    }

    public double getSalary(int month) {
        return super.getSalary(month) + monthlySalary;
    }
}

3.HourlyEmployee.java
package Message;
class HourlyEmployee extends Employee {
    private double hourlyWage;
    private int monthlyHoursWorked;
    public HourlyEmployee(String name, int birthMonth, double hourlyWage, int monthlyHoursWorked) {
        super(name, birthMonth);
        this.hourlyWage = hourlyWage;
        this.monthlyHoursWorked = monthlyHoursWorked;
    }
    public double getHourlyWage() {
        return hourlyWage;
    }
    public int getMonthlyHoursWorked() {
        return monthlyHoursWorked;
    }
    public double getSalary(int month) {
        double baseSalary = super.getSalary(month);
        double overtimePay = (monthlyHoursWorked > 160) ? (monthlyHoursWorked - 160) * hourlyWage * 1.5 : 0;
        return (monthlyHoursWorked * hourlyWage) + overtimePay;
    }
}

4.SalesEmployee.java
package Message;
class SalesEmployee extends Employee {
    private double monthlySales;
    private double commissionRate;
    public SalesEmployee(String name, int birthMonth, double monthlySales, double commissionRate) {
        super(name, birthMonth);
        this.monthlySales = monthlySales;
        this.commissionRate = commissionRate;
    }
    public double getSalary(int month) {
        double baseSalary = super.getSalary(month);
        return monthlySales+(monthlySales * commissionRate);
    }
}

5.BasePlusSalesEmployee.java
package Message;
class BasePlusSalesEmployee extends SalesEmployee {
    private double baseSalary;
    public BasePlusSalesEmployee(String name, int birthMonth, double monthlySales, double commissionRate, double baseSalary) {
        super(name, birthMonth, monthlySales, commissionRate);
        this.baseSalary = baseSalary;
    }
    public double getSalary(int month) {
        return super.getSalary(month) + baseSalary;
    }
}

6.TestEmployee.java
package Message;
public class TestEmployee {
    public static void main(String[] args) {
        // 创建不同类型的雇员对象并打印工资
        Employee employee1 = new SalariedEmployee("李华",
                1, 0.0); //假设拿固定工资5000
        Employee employee2 = new HourlyEmployee("李明",
                2, 15.0, 300);  //假设工作了300小时
        Employee employee3 = new SalesEmployee("李红",
                3, 5000.0, 0.5);  //假设销售额为5000,提成率为0.5
        Employee employee4 = new BasePlusSalesEmployee("李四",
                4, 5000.0, 0.5, 5000.0);  //假设销售额为5000,提成率为0.5,底薪为5000
        int month = 1; // 假设查询月份的工资
        System.out.println("该月份是第1月份");
        System.out.println("雇工李华固定工资: " + employee1.getSalary(month));
        System.out.println("雇工李明工作了300小时工资: " + employee2.getSalary(month));
        System.out.println("雇工李红销售额为5000,提成率为0.5,工资: " + employee3.getSalary(month));
        System.out.println("雇工李四销售额为5000,提成率为0.5,底薪为5000,工资: " + employee4.getSalary(month));
    }
}