java program support multiple languages

how can i make java program working with multiple languages (frensh, english , arabic .. etc) , i mean i wanna make a comboBox ,when i choose one l开发者_如何学运维anguage, all the labels in the GUI interfaces change to the selected language and even the stdin also change to that language.

thanx in advance Alaa

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I think you're talking about ResourceBundles with the GUI interface labels.

https://docs.oracle.com/javase/tutorial/i18n/resbundle/concept.html

As for the input changing, it's been asked already:

Changing Keyboard Input language in Java

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You are talking about implementing internationalization which Java fully supports. This trail covers the details of making your application i18n compliant.

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You can do that using ResourceBundles, it loads UI strings on the basis of the locale settings of the application.

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You can start with this article on localization...

Not entirely sure what you mean by "stdin" changing to a language though.