Warning: include_once(): http:// wrapper is disabled in the server configuration by allow_url_include=0 in /home/users/2/moriya-h5/web/confrage/java/decimalformat/decimalformat/decimalformat.html on line 2

Warning: include_once(http://www.confrage.com/bin/header.php): failed to open stream: no suitable wrapper could be found in /home/users/2/moriya-h5/web/confrage/java/decimalformat/decimalformat/decimalformat.html on line 2

Warning: include_once(): Failed opening 'http://www.confrage.com/bin/header.php' for inclusion (include_path='.:/usr/local/php/5.6/lib/php') in /home/users/2/moriya-h5/web/confrage/java/decimalformat/decimalformat/decimalformat.html on line 2
DecimalFormaで数値整形 | Java | 株式会社CONFRAGE
Warning: include_once(/home/sites/heteml/users/m/o/r/moriya-h5/web/confrage/bin/menu.php): failed to open stream: No such file or directory in /home/users/2/moriya-h5/web/confrage/java/decimalformat/decimalformat/decimalformat.html on line 17

Warning: include_once(): Failed opening '/home/sites/heteml/users/m/o/r/moriya-h5/web/confrage/bin/menu.php' for inclusion (include_path='.:/usr/local/php/5.6/lib/php') in /home/users/2/moriya-h5/web/confrage/java/decimalformat/decimalformat/decimalformat.html on line 17
DecimalFormaで数値整形
DecimalFormatでは数値を成型することができます。マイナス値も対応しています。
以下のように###,###.000とすると少数第三位まで表示し、第二位までしかない場合は0埋めされます。


public class Test {
  public static void main(String[] args) {
    System.out.println(new DecimalFormat("###,###.000").format(-1234.56));
  }
}
実行結果は以下の通りです。

-1,234.560

Back to top

Information

Warning: include_once(/home/sites/heteml/users/m/o/r/moriya-h5/web/confrage/bin/side_bar.php): failed to open stream: No such file or directory in /home/users/2/moriya-h5/web/confrage/java/decimalformat/decimalformat/decimalformat.html on line 68

Warning: include_once(): Failed opening '/home/sites/heteml/users/m/o/r/moriya-h5/web/confrage/bin/side_bar.php' for inclusion (include_path='.:/usr/local/php/5.6/lib/php') in /home/users/2/moriya-h5/web/confrage/java/decimalformat/decimalformat/decimalformat.html on line 68

Warning: include_once(/home/sites/heteml/users/m/o/r/moriya-h5/web/confrage/bin/seo.php): failed to open stream: No such file or directory in /home/users/2/moriya-h5/web/confrage/java/decimalformat/decimalformat/decimalformat.html on line 77

Warning: include_once(): Failed opening '/home/sites/heteml/users/m/o/r/moriya-h5/web/confrage/bin/seo.php' for inclusion (include_path='.:/usr/local/php/5.6/lib/php') in /home/users/2/moriya-h5/web/confrage/java/decimalformat/decimalformat/decimalformat.html on line 77