number format getMinimumFractionDigits()方法在 Java 中的示例

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

getMinimumFractionDigits()方法是Java . text . number format的内置方法，返回一个实例的数字的小数部分允许的最小位数。

语法 :

public int getMinimumFractionDigits()

参数:该功能不接受任何参数。

返回值:该函数返回小数部分允许的最大位数。

下面是上述功能的实现:

程序 1:

// 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 Integer instance
        NumberFormat nF
            = NumberFormat
                  .getIntegerInstance();

        // Stores the minimum
        int value
            = nF.getMinimumFractionDigits();

        // Prints the maximum fraction
        System.out.println("The minimum "
                           + "Fraction digits: "
                           + value);
    }
}

输出:

The minimum Fraction digits: 0

程序二:

// 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 minimum
        int value
            = nF.getMinimumFractionDigits();

        // Prints the minimum
        System.out.println("The minimum "
                           + "Fraction digits: "
                           + value);
    }
}

输出:

The minimum Fraction digits: 2

参考:https://docs . Oracle . com/javase/10/docs/API/Java/text/numberformat . html # getMinimumFractionDigits()

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