题解 | 编写个人所得税计算程序

import java.util.*;

public class Main {
    public static void main(String[] args) {
        List<Employee> employees = new ArrayList<>();

        //write your code here......
        // 新建三个employee对象，将对象添加进list
        Employee enp = new Employee("小明",2500);
        Employee enp2 = new Employee("小军",8000);
        Employee enp3 = new Employee("小红",100000);
        // 将人员放入到list中
        employees.add(enp);
        employees.add(enp2);
        employees.add(enp3);

        // 遍历
        for (Employee emp : employees){
            // 设置起始应交税参数
            double tax = 0.0;
            if(emp.getSalary() > 3500){
            // 应缴纳所得税计算 = 工资收入 - 起征点
                double taxIn = emp.getSalary() - 3500;
                if (taxIn > 80000){
                    tax = taxIn * 0.45 - 13505;
                }else if(taxIn > 55000){
                    tax = taxIn * 0.35 - 5505;
                }else if(taxIn > 35000){
                    tax = taxIn * 0.3 - 2755;
                }else if(taxIn > 9000){
                    tax = taxIn * 0.25 - 1005;
                }else if(taxIn > 4500){
                    tax = taxIn * 0.2 - 555;
                }else if(taxIn > 1500){
                    tax = taxIn * 0.1 - 105;
                }else{  
                    tax = taxIn * 0.03;
                }
            }
            System.out.println(emp.getName() + "应该缴纳的个人所得税是：" + tax);
        }
        

    }
}
class Employee{
    private String name;
    private double salary;
    public Employee(String name, double salary) {
        this.name = name;
        this.salary = salary;
    }
    public String getName() {
        return name;
    }

    public double getSalary() {
        return salary;
    }
}