public void setPerMill(char perMill)

// 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 Character used"
                           + " for per milli sign: "
                           + dfs.getPerMill());
  
        char perMill = '*';
  
        dfs.setPerMill(perMill);
  
        System.out.println("Updated Character used"
                           + " for per milli sign: "
                           + dfs.getPerMill());
    }
}

Current Character used for per milli sign: ?
Updated Character used for per milli sign: *