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Java Scanner useLocale() Method

❮ Scanner Methods


Example

Read numbers from a different locale:

// Create a scanner object
Scanner myObj = new Scanner("1.500.000");

// Change delimiter
myObj.useLocale(new Locale("es"));

// Read and display the number
System.out.println(myObj.nextInt());

Definition and Usage

The useLocale() method changes the locale used by the scanner. The locale determines how numbers are interpreted by deciding how digits are grouped, which character serves as a decimal point, etc.

Locale objects

The useLocale() method requires a Locale object as an argument. Locale objects represent a language or country and they are used by a variety of Java classes to handle formatting and interpreting data.

The easiest way to get a Locale object is by using one of the objects provided by attributes of the Locale class.

myObj.useLocale(Locale.GERMANY));

A list of available language and country attributes is shown below.

Countries Languages
Locale.CANADA
Locale.CANADA_FRENCH
Locale.CHINA
Locale.FRANCE
Locale.GERMANY
Locale.ITALY
Locale.JAPAN
Locale.KOREA
Locale.PRC
Locale.TAIWAN
Locale.UK
Locale.US
Locale.CHINESE
Locale.ENGLISH
Locale.FRENCH
Locale.GERMAN
Locale.ITALIAN
Locale.JAPANESE
Locale.KOREAN
Locale.SIMPLIFIED_CHINESE
Locale.TRADITIONAL_CHINESE

If the country or language you need is not in the list then you can create a new Locale object using a language code and an optional country code. Most codes are two or three characters long and each code represents a language or a country.

Locale spanish = new Locale("es");
Locale spain = new Locale("es", "ES");

Syntax

public Scanner useLocale(Locale locale)

Parameter Values

Parameter Description
locale Required. A Locale object.

Technical Details

Returns: A reference to the Scanner object that this method belongs to, which allows for chaining configuration methods. An example of chaining is myObj.useLocale(Language.GERMAN).useDelimiter(",");.

❮ Scanner Methods

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