number format setmaximumitegerdigits()方法在 Java 中的示例

原文:https://www . geeksforgeeks . org/number format-setmaximumintegergits-method-in-Java-with-examples/

setMaximumIntegerDigits()方法是 java.text.NumberFormat 的内置方法,它设置一个数字的整数部分允许的最大位数。如果最大值的新值小于最小值的当前值,则最小值也将设置为新值。

语法:

public void setMaximumIntegerDigits(int val)

参数:该功能接受一个强制参数,该值指定要设置的最大值。

返回值:该函数不返回任何内容,因此返回类型为 void。

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
    {

        NumberFormat nF
            = NumberFormat.getNumberInstance();

        System.out.println("Maximum set initially as: "
                           + nF.getMaximumIntegerDigits());

        // Set grouping
        nF.setMaximumIntegerDigits(100);

        // Print the final
        System.out.println("Maximum set finally as: "
                           + nF.getMaximumIntegerDigits());
    }
}

输出:

Maximum set initially as: 2147483647
Maximum set finally as: 100

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
    {

        NumberFormat nF
            = NumberFormat.getNumberInstance();

        System.out.println("Maximum set initially as: "
                           + nF.getMaximumIntegerDigits());

        // Set grouping
        nF.setMaximumIntegerDigits(76845);

        // Print the final
        System.out.println("Maximum set finally as: "
                           + nF.getMaximumIntegerDigits());
    }
}

输出:

Maximum set initially as: 2147483647
Maximum set finally as: 76845

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