DecimalFormat setNegativePrefix() method in Java

The setNegativePrefix() method of the DecimalFormat class in Java is used to set a negative value of this DecimalFormat instance.

Syntax:

public void setNegativePrefix(String newValue)

Parameters: This method a single parameter newValue which is the new value to be set as a negative prefix for this DecimalFormat instance.

Return Value: This method does not returns any value.

Below program illustrate the above method:

// Java program to illustrate the
// setNegativePrefix() method

import java.text.DecimalFormat;

public class GFG {

    public static void main(String[] args)
    {

        // Create a DecimalFormat instance
        DecimalFormat deciFormat = new DecimalFormat();

        // Set a negative prefix value
        deciFormat.setNegativePrefix("negative");

        // Print a number with negative prefix set
        System.out.println(deciFormat.format(-123.45));
    }
}

Output:

negative123.45

Reference: https://docs.oracle.com/javase/7/docs/api/java/text/DecimalFormat.html#setNegativePrefix(java.lang.String)