String.format and DecimalFormat

import java.text.DecimalFormat;

class Main {
    public static void main(String[] args) {
        final DecimalFormat decimalFormatter = new DecimalFormat("0.00");
        double price = 25.0;
        double discount = price * 0.1; // 2.5
        double finalPrice = price - discount; // 22.5
        
        System.out.println("Discount: " + decimalFormatter.format(discount));
        System.out.print(String.format("Final Price: %.2f%n", finalPrice));
    }
}