Java tutorial
public class Main { public static void main(String args[]) { String s = "java2s.com"; int l; l = s.length(); for (int i = 0; i < l; i++) { int padding = s.length() - i; if (padding > 0) { System.out.printf("%" + padding + "s", " "); } for (int j = 0; j < i; j++) { System.out.printf("%c ", s.charAt(j)); } System.out.printf("%c\n", s.charAt(i)); } } }