Chapter 21: NumberFormat

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Section 21.1: NumberFormat

Different countries have different number formats and considering this we can have different formats using Locale of java. Using locale can help in formatting

Locale  locale  =  new  Locale(“en”,  “IN”);
NumberFormat  numberFormat  = NumberFormat.getInstance(locale);

using above format you can perform various tasks

  1. Format Number

numberFormat.format(10000000.99);

  • Format Currency

NumberFormat  currencyFormat  =  NumberFormat.getCurrencyInstance(locale); currencyFormat.format(10340.999);

  • Format Percentage

NumberFormat  percentageFormat  =  NumberFormat.getPercentInstance(locale); percentageFormat.format(10929.999);

  • Control Number of Digits
numberFormat.setMinimumIntegerDigits(int digits)
numberFormat.setMaximumIntegerDigits(int digits)
numberFormat.setMinimumFractionDigits(int digits)
numberFormat.setMaximumFractionDigits(int digits)

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