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import java.text.DecimalFormat; Example: Want to print integers with the commas, as in: 27,387,982 or 37,298. int oneNum = 27387982; int nextNum = 37298; DecimalFormat commaFormat; commaFormat = new DecimalFormat("#,###"); System.out.println("oneNum = " + commaFormat.format(oneNum));
8 sty 2024 · In this article, we’re going to explore the DecimalFormat class along with its practical usages. This is a subclass of NumberFormat, which allows formatting decimal numbers’ String representation using predefined patterns. It can also be used inversely, to parse Strings into numbers.
String.format() uses the correct number symbols and decimal character for the default locale. Even better would be to pass the required locale in as the first parameter to format() to make it explicit.
The "#.##" means it will print the number with maximum two decimal places whereas "#.00" means it will always display two decimal places and if the decimal places are less than two, it will replace them with zeros. see the example below with output.
You can use the DecimalFormat class to format decimal numbers into locale-specific strings. This class allows you to control the display of leading and trailing zeros, prefixes and suffixes, grouping (thousands) separators, and the decimal separator.
DecimalFormat is a concrete subclass of NumberFormat that formats decimal numbers. It has a variety of features designed to make it possible to parse and format numbers in any locale, including support for Western, Arabic, and Indic digits.
DecimalFormat is a class in the java.text package that allows you to format decimal numbers. It provides the capability to format numbers according to locale-specific conventions or custom patterns. The common use cases include rounding numbers, setting the number of decimal places, and even formatting currency. 3.
