算法练习-个人所得税

package Code1;

import java.util.Scanner;

public class Code2_2个人所得税 {

    public static void main(String[] args) {
        System.out.println("请输入个人收入：");
        Scanner sc=new Scanner(System.in);
        double sr=sc.nextDouble();
        System.out.println("应交个人所得税："+getTax(sr));
    }

    private static double getTax(double sal) {
        double t=0;
        double b=sal-3500;
        if(b<=500){
            t=b*0.05;
            return t;
        }else if(b<=2000){
            t=25+(b-500)*0.1;
            return t;
        }else if(b<=5000){
            t=175+(b-2000)*0.15;
            return t;
        }else if(b<=20000){
            t=625+(b-5000)*0.2;
            return t;
        }else if(b<=40000){
            t=3625+(b-20000)*0.25;
            return t;
        }else if(b<=60000){
            t=8625+(b-40000)*0.3;
            return t;
        }else if(b<=80000){
            t=14625+(b-60000)*0.4;
            return t;
        }else if(b<=100000){
            t=21625+(b-80000)*0.4;
            return t;
        }else{
            t=29625+(b-100000)*0.45;
            return t;
        }
    }

}

运行结果：