import java.text.*;// The 0 symbol shows a digit or 0 if no digit present NumberFormat formatter = new DecimalFormat("000000"); String s = formatter.format(-1234.567); // -001235 // notice that the number was rounded up
// The # symbol shows a digit or nothing if no digit present formatter = new DecimalFormat("##"); s = formatter.format(-1234.567); // -1235 s = formatter.format(0); // 0 formatter = new DecimalFormat("##00"); s = formatter.format(0); // 00
// The . symbol indicates the decimal point formatter = new DecimalFormat(".00"); s = formatter.format(-.567); // -.57 formatter = new DecimalFormat("0.00"); s = formatter.format(-.567); // -0.57 formatter = new DecimalFormat("#.#"); s = formatter.format(-1234.567); // -1234.6 formatter = new DecimalFormat("#.######"); s = formatter.format(-1234.567); // -1234.567 formatter = new DecimalFormat(".######"); s = formatter.format(-1234.567); // -1234.567 formatter = new DecimalFormat("#.000000"); s = formatter.format(-1234.567); // -1234.567000
// The , symbol is used to group numbers formatter = new DecimalFormat("#,###,###"); s = formatter.format(-1234.567); // -1,235 s = formatter.format(-1234567.890); // -1,234,568
// The ; symbol is used to specify an alternate pattern for negative values formatter = new DecimalFormat("#;(#)"); s = formatter.format(-1234.567); // (1235)
// The ' symbol is used to quote literal symbols formatter = new DecimalFormat("'#'#"); s = formatter.format(-1234.567); // -#1235 formatter = new DecimalFormat("'abc'#"); s = formatter.format(-1234.567); // -abc1235
NumberFormat formatter = new DecimalFormat("000000");
String s = formatter.format(-1234.567); // -001235
// notice that the number was rounded up
// The # symbol shows a digit or nothing if no digit present
formatter = new DecimalFormat("##");
s = formatter.format(-1234.567); // -1235
s = formatter.format(0); // 0
formatter = new DecimalFormat("##00");
s = formatter.format(0); // 00
// The . symbol indicates the decimal point
formatter = new DecimalFormat(".00");
s = formatter.format(-.567); // -.57
formatter = new DecimalFormat("0.00");
s = formatter.format(-.567); // -0.57
formatter = new DecimalFormat("#.#");
s = formatter.format(-1234.567); // -1234.6
formatter = new DecimalFormat("#.######");
s = formatter.format(-1234.567); // -1234.567
formatter = new DecimalFormat(".######");
s = formatter.format(-1234.567); // -1234.567
formatter = new DecimalFormat("#.000000");
s = formatter.format(-1234.567); // -1234.567000
// The , symbol is used to group numbers
formatter = new DecimalFormat("#,###,###");
s = formatter.format(-1234.567); // -1,235
s = formatter.format(-1234567.890); // -1,234,568
// The ; symbol is used to specify an alternate pattern for negative values
formatter = new DecimalFormat("#;(#)");
s = formatter.format(-1234.567); // (1235)
// The ' symbol is used to quote literal symbols
formatter = new DecimalFormat("'#'#");
s = formatter.format(-1234.567); // -#1235
formatter = new DecimalFormat("'abc'#");
s = formatter.format(-1234.567); // -abc1235
{
public static void main(String str[])
{
NumberFormat nf = NumberFormat.getInstance();
String str1 = nf.format(200000000l);
System.out.println(str1);
}
}
//还可以设置为其他的输出方式,自己查看API喽!
String s = formatter.format(1234567);
NumberFormat formatter=NumberFormat.getNumberInstance();
System.out.println(formatter.format(x));