public void setExponentSeparator(
            String exponentSeparator)

// Java program to demonstrate
// the above method
  
import java.text.*;
import java.util.*;
  
public class DecimalFormatSymbolsDemo {
    public static void main(String[] args)
    {
  
        DecimalFormatSymbols dfs
            = new DecimalFormatSymbols();
  
        System.out.println("Current String used "
                           + "for exponent separator: "
                           + dfs.getExponentSeparator());
  
        String exponentSeparator = "*";
  
        dfs.setExponentSeparator(exponentSeparator);
  
        System.out.println("Updated String used for"
                           + " exponent separator: "
                           + dfs.getExponentSeparator());
    }
}

Current String used for exponent separator: E
Updated String used for exponent separator: *