package modern.challenge; public class Main { public static void main(String[] args) { String text = "This is a text from 20 April 2050"; String noNrClassic = Remover.remove(text, new NumberRemover()); System.out.println("No numbers result (classic): " + noNrClassic); String noWsClassic = Remover.remove(text, new WhitespacesRemover()); System.out.println("No whitespaces result (classic): " + noWsClassic); String noNr = Remover.remove(text, s -> s.replaceAll("\\d", "")); System.out.println("\nNo numbers result (lambda): " + noNr); String noWs = Remover.remove(text, s -> s.replaceAll("\\s", "")); System.out.println("No whitespaces result (lambda): " + noWs); } }