Java实现月工资个人所得税及各保险计算问题（2022年版）

package javajichu;

import java.util.Scanner;

public class SuiFei {
	public static void main(String[] args) {
		System.out.println("按工资标准缴纳相应的税费：");
		Scanner in = new Scanner(System.in);
		float money =0, old = 0, medicare = 0, outWork = 0, house = 0, total = 0;
		System.out.print("请输入应发工资：");
		money = in.nextFloat();
		old = (float) (money * 0.08);// 计算养老保险,税率为8%
		medicare = (float) (money * 0.02);// 计算医保保险，税率为2%
		outWork = (float) (money * 0.002);// 计算失业保险，税率为0.2%
		house = money * 0.12f;// 计算住房公积金，税率为12%
		total = old + medicare + outWork + house;
		money = money - total;

		float gerenTax = geren(money);
		float income = money - gerenTax;

		System.out.println("养老保险：" + old + "元");
		System.out.println("医疗保险：" + medicare + "元");
		System.out.println("失业保险：" + outWork + "元");
		System.out.println("住房公积金：" + house + "元");
		System.out.println("应缴纳保险总额：" + total + "元");
		System.out.println("应交个人所得税：" + gerenTax + "元");
		System.out.println("税后实际收入为：" + income + "元");

	}
	//计算个人所得税，按照2022年最新个人所得税税率表计算
	public static float geren(float money) {
		float one = 0, two = 0, three = 0, four = 0, five = 0, six = 0;
		one = (8000 - 5000) * 0.03f;//第一档满额缴费
		two = (17000 - 8000) * 0.1f;//第二档满额缴费
		three = (30000 - 17000) * 0.2f;//第三档满额缴费
		four = (40000 - 30000) * 0.25f;//第四档满额缴费
		five = (60000 - 40000) * 0.3f;//第五档满额缴费
		six = (85000 - 60000) * 0.35f;//第六档满额缴费
		float tax = 0;
		if (money <= 5000)
			tax = 0;//级别1税率
		else if (money <= 8000)
			tax = (money - 5000) * 0.03f;//级别2税率
		else if (money <= 17000)
			tax = (money - 8000) * 0.1f + one;//级别3税率
		else if (money <= 30000)
			tax = (money - 17000) * 0.2f + two + one;//级别4税率
		else if (money <= 40000)
			tax = (money - 30000) * 0.25f + three + two + one;//级别5税率
		else if (money <= 60000)
			tax = (money - 40000) * 0.3f + four + three + two + one;//级别6税率
		else if (money <= 85000)
			tax = (money - 60000) * 0.35f + five + four + three + two + one;//级别7税率
		else
			tax = (money - 85000) * 0.45f + six + five + four + three + two + one;//级别8税率
		return tax;
	}
}