package com.chapter.four.one.cn; import java.text.NumberFormat; import java.util.Locale; import java.util.Scanner; public class FormatNumber { public static void main(String[] args) { Scanner scan = new Scanner(System.in); System.out.println("请输入一个数字"); double number = scan.nextDouble();//获取用户输入数字 System.out.println("该数字用Locale类的以下常量作为格式化对象的构造参数,将获得不同的货币格式:"); //创建格式化对象 NumberFormat format = NumberFormat.getCurrencyInstance(Locale.CHINA); //输出格式化货币格式 System.out.println("Locale.CHINA: "+format.format(number)); format = NumberFormat.getCurrencyInstance(Locale.US); System.out.println("Locale.US:" + format.format(number)); format = NumberFormat.getCurrencyInstance(Locale.ENGLISH); System.out.println("Locale.ENGLISH:" + format.format(number)); format = NumberFormat.getCurrencyInstance(Locale.TAIWAN); System.out.println("Locale.TAIWAN:" + format.format(number)); } }
输出:
请输入一个数字
5
该数字用Locale类的以下常量作为格式化对象的构造参数,将获得不同的货币格式:
Locale.CHINA: ¥5.00
Locale.US:$5.00
Locale.ENGLISH:¤5.00
Locale.TAIWAN:NT$5.00