JAVA - Weihnachtsbaum in Konsole

ChristmasTree.java

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package christmastree;

import java.util.Scanner;

/**
 *
 * @author torstendittmann
 */
public class ChristmasTree {

    /**
     * @param args the command line arguments
     */
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        String green = "\033[32;1m";
        String yellow = "\033[0;33m";
        String purple = "\033[0;35m";
        String reset = "\033[0m";

        System.out.println("Bitte gib die Anzahl der Reihen ein:");
        int y = sc.nextInt();
        int x = ((y - 1) * 2) + 1;
        int object = 1;

        System.out.println("y: " + y);
        System.out.println("x: " + x);
        System.out.println();

        // Baumkrone
        for (int i = 1; i < y + 1; i++) {
            System.out.print(new String(new char[(x - object) / 2]).replace('\0', ' '));
            String row = new String(new char[object]).replace('\0', '*');

            // row zu char array
            char[] characters = row.toCharArray();
            int rand = (int) (Math.random() * row.length());

            // ersetze zufälliges Zeichen mit Licht
            characters[rand] = (char) 0x2BCC;

            // char array zu row
            row = new String(characters);

            row = row.replace(
                    String.valueOf(characters[rand]),
                    reset
                    + yellow
                    + String.valueOf(characters[rand])
                    + reset
                    + green);

            System.out.print(green + row + reset);
            System.out.println();
            object += 2;
        }
        // Stamm
        object = ((y - 1) / 2) + 1;
        for (int i = 0; i < (y * 0.1); i++) {
            System.out.print(new String(new char[(x - object) / 2]).replace('\0', ' '));
            System.out.print(
                    purple
                    + new String(new char[object]).replace('\0', '#')
                    + reset);
            System.out.println();
        }
    }

}