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Core Java® Volume II—Advanced Features, Ninth Edition by Gary Cornell, Cay S. Horstmann

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5.2. Number Formats

We already mentioned how number and currency formatting is highly locale-dependent. The Java library supplies a collection of formatter objects that can format and parse numeric values in the java.text package. Go through the following steps to format a number for a particular locale:

1. Get the locale object, as described in the preceding section.

2. Use a “factory method” to obtain a formatter object.

3. Use the formatter object for formatting and parsing.

The factory methods are static methods of the NumberFormat class that take a Locale argument. There are three factory methods: getNumberInstance, getCurrencyInstance, and getPercentInstance. These methods return objects that can format and parse numbers, currency amounts, ...

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