Java 中 NumberFormat getInstance()方法，带示例
原文:https://www . geesforgeks . org/number format-getinstance-method-in-Java-with-examples/
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The getInstance() method is a built-in method of the java.text.NumberFormat returns a number format for the current default FORMAT locale.
语法:
公共静态最终数字格式 getInstance()
参数:该功能不接受任何参数。
返回值:该函数返回通用格式的 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.getInstance();
// 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 instance NumberFormat nF = NumberFormat.getInstance();
// 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/javase/10/docs/API/Java/text/number format . html # getInstance()
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The getInstance(Locale inLocale) method is a built-in method of the java.text.NumberFormat returns a number format for any specifies locale.
语法:
public static number format getintentangenstance(局部内孔)
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:该函数返回整数值的数字格式实例。
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.getInstance( Locale.CANADA);
// Stores the values String values = nF.getCurrency().getDisplayName();
// Prints the currency System.out.println(values); } } ```
Output:
```java Canadian Dollar
```
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