numberformattest.java

来自「本java源程序包括了大量的学习程序（共27章）方便大家学习」· Java 代码 · 共 36 行

import java.text.*;
import java.util.Date;
import java.util.Locale;
public class NumberFormatTest 
{
	//显示格式化货币
	public void showMoney(double money, Locale locale)
	{
		NumberFormat numberFormat = NumberFormat.getCurrencyInstance(locale);
		String str = numberFormat.format(money);
		System.out.println("The Money is: " + str);
	}
	//显示格式化数字
	public void showNumber(double num, Locale locale)
	{
		NumberFormat numberFormat = NumberFormat.getIntegerInstance(locale);
		numberFormat.setMaximumFractionDigits(5);
		String str = numberFormat.format(num);
		System.out.println("The Number is: " + str);
	}	
	public static void main(String[] args) 
	{
		NumberFormatTest numberFormatTest = new NumberFormatTest();
		double money = 3000.00;
		double number = 1000.0/3.0;
		//打印中国格式的货币和数字
		System.out.println("中国:");
		numberFormatTest.showMoney(money,Locale.CHINA);
		numberFormatTest.showNumber(number,Locale.CHINA);
		//打印美国格式的货币和数字
		System.out.println("美国:");
		numberFormatTest.showMoney(money,Locale.US);
		numberFormatTest.showNumber(number,Locale.US);
	}
}