Java 中 number format getcurrency instance()方法，带示例

原文:https://www . geesforgeks . org/number format-getcurrency instance-method-in-Java-with-examples/

1. The getCurrencyInstance() method is a built-in method of the java.text.NumberFormat returns a currency format for the current default FORMAT locale.

   语法:

   java public static final NumberFormat getCurrencyInstance()

   参数:该功能不接受任何参数。

   返回值:该函数返回货币格式的 NumberFormat 实例

   下面是上述功能的实现:

   程序 1:

   ```java // Java program to implement // the above function

   import java.text.NumberFormat; import java.util.Locale; import java.util.Currency;

   public class Main {     public static void main(String[] args)         throws Exception     {

   // Get the currency instance         NumberFormat nF             = NumberFormat                   .getCurrencyInstance();

   // Sets the currency to Canadian Dollar         nF.setCurrency(             Currency.getInstance(                 Locale.CANADA));

   // Stores the values         String values             = nF.getCurrency()                   .getDisplayName();

   // Prints the currency         System.out.println(values);     } } ```

   Output:

   ```java Canadian Dollar

   ```

   程序 2:

   ```java // Java program to implement // the above function

   import java.text.NumberFormat; import java.util.Locale; import java.util.Currency;

   public class Main {     public static void main(String[] args)         throws Exception     {

   // Get the currency instance         NumberFormat nF             = NumberFormat                   .getCurrencyInstance();

   // Stores the values         String values             = nF.getCurrency()                   .getDisplayName();

   // Prints the currency         System.out.println(values);     } } ```

   Output:

   ```java US Dollar

   ```

   参考:https://docs . Oracle . com/javae/10/docs/API/Java/text/number format . html # get current instance()

2. The getCurrencyInstance(Locale inLocale) method is a built-in method of the java.text.NumberFormat returns a currency format for any specifies locale.

   语法:

   java public static NumberFormat getCurrencyInstance?(Locale inLocale)

   参数:该函数接受一个描述要指定的语言环境的强制参数。

   返回值:该函数返回货币格式的 NumberFormat 实例。

   下面是上述功能的实现:

   程序 1:

   ```java // Java program to implement // the above function import java.text.NumberFormat; import java.util.Locale; import java.util.Currency; public class Main {     public static void main(String[] args)         throws Exception     {

   // Get the instance         NumberFormat nF             = NumberFormat                   .getCurrencyInstance(                       Locale.CANADA);

   // Stores the values         String values             = nF.getCurrency()                   .getDisplayName();

   // Prints the currency         System.out.println(values);     } } ```

   Output:

   ```java Canadian Dollar

   ```

   参考:https://docs . Oracle . com/javae/10/docs/API/Java/text/number format . html # get current instance(Java . util . locale)

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