numformat.java

实例精华

import java.util.Locale;
import java.text.NumberFormat;

public class NumFormat{
	
	public static void main(String[] args){
		
		//需要格式化的数据
		double db1 = 1234000.567;
		
		//设定三个locale
		Locale cnLocale = new Locale("zh","CN");
		Locale jpLocale = new Locale("ja","JP");
		Locale deLocale = new Locale("de","De");
		
		//得到三个locale对应的NumberFormat对象
		NumberFormat cnNf =  NumberFormat.getNumberInstance(cnLocale);
		NumberFormat jpNf =  NumberFormat.getNumberInstance(jpLocale);
		NumberFormat deNf =  NumberFormat.getNumberInstance(deLocale);
		
		//将上面的double数据格式化输出
		System.out.println("China Number Format:"+cnNf.format(db1));
		System.out.println("Japan Number Format:"+jpNf.format(db1));
		System.out.println("German Number Format:"+deNf.format(db1));
		
		
	}
}