public class App { private static final int WIDTH = 81; private static final int HEIGHT = 5; private static char[][] lines; static { lines = new char[HEIGHT][WIDTH]; for (int i = 0; i < HEIGHT; i++) { for (int j = 0; j < WIDTH; j++) { lines[i][j] = '*'; } } } private static void show(int start, int len, int index) { int seg = len / 3; if (seg == 0) return; for (int i = index; i < HEIGHT; i++) { for (int j = start + seg; j < start + seg * 2; j++) { lines[i][j] = ' '; } } show(start, seg, index + 1); show(start + seg * 2, seg, index + 1); } public static void main(String[] args) { show(0, WIDTH, 1); for (int i = 0; 1 < HEIGHT; i++) { for (int j = 0; j < WIDTH; j++) { System.out.print(lines[i][j]); } System.out.println(); } } }