public class Main {
    public static void main(String[] args) {
        char[] asciibyte = new char[256];
        System.out.println("Nummer\tZeichen");
        for (int i = 0; i < asciibyte.length; i++) {
            asciibyte[i] = (char)i;
            System.out.println((int)asciibyte[i] + "\t" + asciibyte[i]);
        }
    }
}