Java 使用printf格式化百分比
我需要声明另外两个变量,以使联邦和州的预扣税显示为百分比 例如,它们显示为(00.20%),我需要它们作为一个整体返回百分比,如(20.00%) 我尝试在底部声明新变量,例如:Java 使用printf格式化百分比,java,Java,我需要声明另外两个变量,以使联邦和州的预扣税显示为百分比 例如,它们显示为(00.20%),我需要它们作为一个整体返回百分比,如(20.00%) 我尝试在底部声明新变量,例如: import java.util.Scanner; public class Taxes { public static void main(String[] args) { // TODO Auto-generated method stub System.out.prin
import java.util.Scanner;
public class Taxes {
public static void main(String[] args) {
// TODO Auto-generated method stub
System.out.printf("Enter the employees first name: ");
Scanner input = new Scanner(System.in);
String fName = input.nextLine();
System.out.printf("Enter the employees last name: ");
String lName = input.nextLine();
System.out.printf("Enter the hours worked for the week: ");
double hours = input.nextDouble();
System.out.printf("Enter the hourly pay rate: ");
double pay = input.nextDouble();
double gross = hours * pay;
System.out.printf("Enter the federal tax withholding: ");
double fed = input.nextDouble();
double fTax = gross * fed;
System.out.printf("Enter the state tax withholding: ");
double state = input.nextDouble();
double sTax = gross * state;
double Ttax = sTax + fTax;
double net = gross - Ttax;
System.out.printf(
"Employee Name:%s %s\n\nHours Worked:%s hours\n\nPay Rate:$%.2f\n\nGross pay:$%.2f\n\nDeductions: \n\n\tFederal Withholding:(%.2f%%)$%.2f \n\n"
+ "\tState Withholding:(%.2f%%)$%.2f\n\n\tTotal Witholding:$%.2f\n\nNet Pay:$%.2f",
fName, lName, hours, pay, gross, fed, fTax, state, sTax, Ttax, net);
input.close();
}
}
为了得到我想要的回报百分比,但它倾向于在最后将总回报加到净值中
任何帮助都将不胜感激,谢谢 试试这个
statewit = sTax * 100;
fedwit = fTax * 100;
编辑:您的问题可分为两部分:
编辑:谢谢Costis Aivalis,逗号更正:)java!==javascript:-(如果是这样,请发布一个答案并将其标记为有效答案,以便有相同问题的人可以从您的经验中受益!如果您不使用百分比,您需要在代码中的某个地方使用100(%),但我看不到它。在格式字符串和变量之间添加一个逗号:System.out.printf(“%.2f%%”,百分比);
double percent=12.34;
System.out.printf("%.2f%%", percent);
// or in different convention "percent as number *100"
System.out.printf("%.2f%%", percent*100.0);