DecimalFormat setMaximumFractionDigits() method in Java

The setMaximumFractionDigits() method is a built-in method of the java.text.DecimalFomrat class in Java and is used to set the maximum number of digits allowed in the fractional part of a number. The fractional part of a number is the part displayed after the decimal(.) symbol.

Syntax:

public void setMaximumFractionDigits(int newVal)

Parameters: The function accepts a single parameter newVal which is the new value for the maximum number of fractional digits allowed to be set for this DecimalFormat instance.



Return Value: The function does not returns any value.

Below is the implementation of the above function:

Program 1:

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// Java program to illustrate the
// setMaximumFractionDigits() method
  
import java.text.DecimalFormat;
import java.text.DecimalFormatSymbols;
import java.util.Currency;
import java.util.Locale;
  
public class Main {
    public static void main(String[] args)
    {
  
        // Create the DecimalFormat Instance
        DecimalFormat deciFormat = new DecimalFormat();
  
        deciFormat.setMaximumFractionDigits(6);
  
        System.out.println(deciFormat.format(12.3456789));
    }
}

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Output:

12.345679

Program 2:

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// Java program to illustrate the
// setMaximumFractionDigits() method
  
import java.text.DecimalFormat;
import java.text.DecimalFormatSymbols;
import java.util.Currency;
import java.util.Locale;
  
public class Main {
    public static void main(String[] args)
    {
  
        // Create the DecimalFormat Instance
        DecimalFormat deciFormat = new DecimalFormat();
  
        deciFormat.setMaximumFractionDigits(1);
  
        System.out.println(deciFormat.format(12.3456789));
    }
}

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Output:

12.3

Reference: https://docs.oracle.com/javase/7/docs/api/java/text/DecimalFormat.html#setMaximumFractionDigits(int)



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