利用java类Numberformat格式化数据

//use Number Format 格式化数据

import java.text.*;

import java.util.*;

public class IntegerSample {

public static void main(String args[]) {

int amount = 54321;

NumberFormat myformat = NumberFormat.getInstance();//system format

System.out.println(myformat.format(amount));

NumberFormat usformat = NumberFormat.getIntegerInstance(Locale.US);//use format

System.out.println(usformat.format(amount));

NumberFormat germanformat = NumberFormat.getInstance(Locale.CHINA);//china format

System.out.println(germanformat.format(amount));

NumberFormat jaformat = NumberFormat.getInstance(Locale.JAPAN);//japan format

System.out.println(jaformat.format(amount));

}

}

//---------------------------------//

运行结果：

F:\2004-04-12>java IntegerSample

54,321

54,321

54,321

54,321