Java 中的 NumberFormat getPercentInstance()方法，带示例
原文:https://www . geesforgeks . org/number format-getpercentinstance-method-in-Java-with-examples/
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The getPercentInstance() method is a built-in method of the java.text.NumberFormat returns a percentage format for the current default FORMAT locale.
语法:
公共静态最终数字格式 getPercentInstance()
参数:该功能不接受任何参数。
返回值:该函数返回百分比格式的数字格式实例。
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 percent instance NumberFormat nF = NumberFormat.getPercentInstance();
// 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 percent instance NumberFormat nF = NumberFormat .getPercentInstance();
// 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/numberformat . html # getPercentInstance()
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The getPercentInstance(Locale inLocale) method is a built-in method of the java.text.NumberFormat returns a percentage format for any specified locale.
语法:
public static number format get ercentance(本地内置)
参数:该函数在 Locale 中接受单个强制参数，该参数描述要指定的区域设置。
返回值:该函数返回百分比格式的数字格式实例。
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 percent instance NumberFormat nF = NumberFormat .getPercentInstance( 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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