NumberFormat setGroupingUsed() method in Java with Examples

The setGroupingUsed() method is a built-in method of the java.text.NumberFormat which sets the grouping to be used.

Syntax:

public void setGroupingUsed(boolean val)

Parameters: The function accepts a mandatory parameter val which specifies the grouping to be set.



Return Value: The function returns nothing, hence has a return type void.

Below is the implementation of the above function:

Program 1:

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// 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("Grouping set initially as: "
                           + nF.isGroupingUsed());
  
        // Set grouping
        nF.setGroupingUsed(false);
  
        // Print the currency
        System.out.println("Grouping set finally as: "
                           + nF.isGroupingUsed());
    }
}

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Output:

Grouping set initially as: true
Grouping set finally as: false

Program 2:

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// 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("Grouping set initially as: "
                           + nF.isGroupingUsed());
  
        // Set grouping
        nF.setGroupingUsed(true);
  
        // Print the currency
        System.out.println("Grouping set finally as: "
                           + nF.isGroupingUsed());
    }
}

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Output:

Grouping set initially as: true
Grouping set finally as: true

Reference: https://docs.oracle.com/javase/10/docs/api/java/text/NumberFormat.html#setGroupingUsed(boolean)

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