计算税款

  
  import java.util.*;
  class Main {
    public static void main(String args[]){
      //Create a Scanner
      Scanner input = new Scanner(System.in);

      //Prompt the user to enter filing status
      System.out.print("(0-single filer, 1-married jointly,\n)" + 
                      "2-married separately, 3-head fo household\n" +
                     "Enter the filling status: ");
      int status = input.nextInt();

      //Prompt the user to enter taxable income
      System.out.print("Enter the taxable income: ");
      double income = input.nextDouble();

      //Compute tax
      double tax = 0;

      if(status == 0){//Compute tax for ingle filers
        if(income <= 8350){
          tax = income * 0.10;
        }else if(income <= 33950){
          tax = 8350 * 0.10 + (income - 8350) * 0.15;
        }else if(income <= 82250){
          tax = 8350 * 0.10 + (33950 - 8350) * 0.15 + (income - 33950) * 0.25;
        }else if(income <= 171550){
          tax = 8350 * 0.10 + (33950 - 8350) * 0.15 + (82250 - 33950) * 0.25
            + (income - 82250) * 0.28;
        }else if(income <= 372950){
          tax = 8350 * 0.10 + (33950 - 8350) * 0.15 + (82250 - 33950) * 0.25
            + (171550 - 82250) * 0.28 + (income - 171550) * 0.33;
        }else{
          tax = 8350 * 0.10 + (33950 - 8350) * 0.15 + (82250 - 33950) * 0.25
            + (171550 - 82250) * 0.28 + (372950 - 171550) * 0.33 + (income - 372950) * 0.35;
        }
    
        
      }
      else if(status == 1){
        if(income <= 16700){
          tax = income * 0.10;
        }else if(income <= 67900){
          tax = 16700 * 0.10 + (income - 16700) * 0.15;
        }else if(income <= 137050){
          tax = 16700 * 0.10 + (67900 - 16700) * 0.15 + (income - 67900) * 0.25;
        }else if(income <= 208850){
          tax = 16700 * 0.10 + (67900 - 16700) * 0.15 + (137050 - 67900) * 0.25
            + (income - 137050) * 0.28;
        }else if(income <= 372950){
          tax = 16700 * 0.10 + (67900 - 16700) * 0.15 + (137050 - 67900) * 0.25
            + (208850 - 137050) * 0.28 + (income - 208850) * 0.33;
        }else{
          tax = 16700 * 0.10 + (67900 - 16700) * 0.15 + (137050 - 67900) * 0.25
            + (208850 - 137050) * 0.28 + (372950 - 208850) * 0.33 + (income - 372950) * 0.35;
        }
      }
      else if(status == 2){
        if(income <= 8350){
          tax = income * 0.10;
        }else if(income <= 33950){
          tax = 8350 * 0.10 + (income - 8350) * 0.15;
        }else if(income <= 68525){
          tax = 8350 * 0.10 + (33950 - 8350) * 0.15 + (income - 33950) * 0.25;
        }else if(income <= 104425){
          tax = 8350 * 0.10 + (33950 - 8350) * 0.15 + (68525 - 33950) * 0.25 + (income - 68525) * 0.28;
        }else if(income <= 186475){
          tax = 8350 * 0.10 + (33950 - 8350) * 0.15 + (68525 - 33950) * 0.25 + (104425 - 68525) * 0.28
            + (income - 104425) * 0.33;
        }else{
          tax = 8350 * 0.10 + (33950 - 8350) * 0.15 + (68525 - 33950) * 0.25 + (104425 - 68525) * 0.28
            + (186475 - 104425) * 0.33 + (income - 186474) * 0.35;
        }
      }
      else if(status == 3){
        if(income <= 19950){
          tax = income * 0.10;
        }else if(income <= 45500){
          tax = 19950 * 0.10 + (income - 19950) * 0.15;
        }else if(income <= 117450){
          tax = 19950 * 0.10 + (45500 - 19950) * 0.15 + (income - 45500) * 0.25;
        }else if(income <= 190200){
          tax = 19950 * 0.10 + (45500 - 19950) * 0.15 + (117450 - 45500) * 0.25 
            + (income - 117450) * 0.28;
        }else if(income <= 372950){
          tax = 19950 * 0.10 + (45500 - 19950) * 0.15 + (117450 - 45500) * 0.25 
            + (190200 - 117450) * 0.28 + (income - 190200) * 0.33;
        }else{
          tax = 19950 * 0.10 + (45500 - 19950) * 0.15 + (117450 - 45500) * 0.25 
            + (190200 - 117450) * 0.28 + (372950 - 190200) * 0.33 + (income - 372950) * 0.35;
            
        }
      }
      else{
        System.out.println("Error: invalid status");
        System.exit(0);
      }

      //Display the result
      System.out.println("Tax is " + (int)(tax * 100) / 100.0);
      
    }
   
  }

标签：status,税款,tax,System,计算,income,input,Scanner
来源： https://www.cnblogs.com/doudou-20123/p/16254925.html