Java Currency getDisplayName() Method

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The getDisplayName() method in Java, part of the java.util.Currency class, is used to retrieve the display name of the currency represented by the Currency object.

Table of Contents

1. Introduction
2. getDisplayName() Method Syntax
3. Understanding getDisplayName()
4. Examples
   • Basic Usage
   • Using Locale-Specific Display Names
5. Real-World Use Case
6. Conclusion

Introduction

The getDisplayName() method returns the display name of the currency in a specified locale or the default locale if no locale is specified. This is useful for applications that need to display currency names in a user-friendly manner.

getDisplayName() Method Syntax

The syntax for the getDisplayName() method is as follows:

public String getDisplayName()
public String getDisplayName(Locale locale)

Parameters:

• locale: (Optional) The locale for which the display name is to be retrieved.

Returns:

• A String representing the display name of the currency.

Understanding getDisplayName()

The getDisplayName() method provides a way to get the user-friendly name of a currency, which can be displayed in the user interface of applications. The method can be used with or without specifying a locale.

Examples

Basic Usage

To demonstrate the basic usage of getDisplayName(), we will create a Currency object for a specific currency and retrieve its display name.

Example

import java.util.Currency;

public class GetDisplayNameExample {
    public static void main(String[] args) {
        Currency usd = Currency.getInstance("USD");
        String displayName = usd.getDisplayName();

        System.out.println("Display name for USD: " + displayName);
    }
}

Output:

Display name for USD: US Dollar

Using Locale-Specific Display Names

This example shows how to retrieve the display name of a currency for a specific locale.

Example

import java.util.Currency;
import java.util.Locale;

public class LocaleSpecificDisplayNameExample {
    public static void main(String[] args) {
        Currency usd = Currency.getInstance("USD");
        Locale frenchLocale = Locale.FRENCH;
        String displayName = usd.getDisplayName(frenchLocale);

        System.out.println("Display name for USD in French: " + displayName);
    }
}

Output:

Display name for USD in French: dollar des États-Unis

Conclusion

The Currency.getDisplayName() method in Java provides a way to retrieve the display name of a currency in a user-friendly format. 

Whether you are displaying default or locale-specific names, the getDisplayName() method offers a reliable way to present currency information at runtime.